Reloading Podcast 250 - I Feel the Need for Speed

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are talking about a load going a mile a second.

  1. A mile a second, huh?

LFD Research


Project Appleseed


Cartridge corner: 300 Remington Ultra Magnum

.300 Remington Ultra Magnum

History


In 1913 Charles Newton introduced the world’s first high capacity .30 caliber cartridge, based on the 11.2mm Mauser cartridge necked down to .30 caliber. Newton’s cartridge was initially named the .30 Adolph Express after New York rifle builder Fred Adolph but later renamed as the .30 Newton. Case capacity of the .30 Newton was in every way similar to the modern 7mm, .308 Norma and .338 Winchester magnum cartridges however the Newton cartridge did not feature a belted case head. Unfortunately, Charles Newton was plagued with troubles in business. His cartridges never truly saw the light of day and with the introduction of the .300 H&H in 1925, the .30 Newton faded into history.

By the late 1980’s a more informed shooting public was now well aware that a powerful cartridge did not need a belted case. Belted cases may have been handy for wildcat case forming operations and indeed, the belted magnums had proven to be winners at 1000 yards. However the belt no longer served the purpose that it was designed for with the heavily tapered H&H cartridge designs and it’s more recent role as a marketing ploy, the belted case head had run its course.

The 1980’s saw Aubrey White and Noburo Uno of North American Shooting Systems (NASS), based in British Columbia Canada, begin the development of magnum capacity cartridges based on the .404 Jeffery’s Nitro Express. By 1995, basing his designs on the formed brass purchased from Noburo Uno, Don Allen of Dakota Arms had designed a full line of non belted 2.5” case length magnum proprietary cartridges for his Dakota rifles. At the same time, cartridge and rifle designer John Lazzeroni was developing a line of prototype cartridges which later became a line of both long 2.788” magnums and short 2.030” magnums.

In 1999 Remington released the .300 Remington Ultra magnum based loosely on the 404 Jeffery case design. The creation of the .300 Remington Ultra Magnum circumvented the proprietary status from the existing .404 based cartridges while spawning major competition with Winchester.  A main feature of both the Remington and Winchester magnums was a rebated rim, allowing these cartridges to work with existing magnum bolt faces. Remington's initial factory loading for the .300 RUM (discontinued) featured the 180gr Nosler Partition at an advertised 3300fps from a 26” barrel. These figures for the 180 grain bullet weight were later revised to 3250fps.

The .300 RUM quickly gained popularity with hunters throughout the western world. A powerful cartridge, producing impressively fast kills on light through to large medium game at close to exceedingly long ranges, this cartridge was for many, an introduction to the idea of long range hunting. Nevertheless, the .300 RUM was not without its idiosyncrasies. Excessive barrel wear, high operating costs, excessive recoil and other contributing factors put the .300 RUM into the same class as high performance race engines. For many hunters, these negative factors have become a major detraction. What was once a love affair with a potent .30 caliber magnum becomes a divorce within 600 rounds. Regardless of this, the .300 RUM is still enjoyed for its strengths by a wide range of hunters with differing needs and will most likely continue to retain a great deal of popularity for decades to come. Of the small bores, the .300 RUM is a true powerhouse.

Performance


The strengths of the .300 RUM can be found in its ability to drive long, heavy .30 caliber projectiles at immensely high velocities. The RUM can launch 180 grain bullets at over 3300fps and 200-210 grain bullets at 3100fps and faster.  This power can essentially be utilized in two ways.

On large bodied medium game weighing around 90kg (200lb) and up to 400kg (880lb) and using controlled expanding projectiles, the .300 Rum can be utilized to deliver extremely traumatic wounding within ordinary hunting ranges, effecting the fastest possible, humane kills.

Using long for caliber, fast expanding or frangible projectiles, the .300 RUM can be used as a highly effective long range hunting cartridge for all game up to maximum body weights of around 400kg (880lb).   

The ability to produce fast killing on medium to large bodied game weighing between 90kg and 320kg (200-700lb) gives the .300 (and other 300 magnums) an advantage over the 7mm RUM (as well as other 7mm magnums). The science involved is rather straight forwards once it is fully understood but requires careful consideration and study in order to achieve this understanding.

Ahead is a basic example and description of incidents of killing, comparing the 7mm RUM to the .300 RUM with relevant factors in chronological order:

150kg (330lb) deer.

7mm RUM (and magnum family).

Range inside 300 yards.

Conventional soft point (Interlock / Gameking), SST or A-Max of 160-162 grains.

Bullet impacts chest but meets so much resistance that not enough energy is available for the production of hydrostatic shock.

Animal stays standing or runs, time to death around 45 seconds.

Inspection of carcass reveals internal wounding was excellent, vitals destroyed.

150kg (330lb) deer.

300 RUM  (and magnum family).

Range inside 300 yards.

Conventional soft point (Interlock / Gameking), SST or A-Max of 180-208 grains.

Bullet impacts chest, produces hydrostatic shock, instant coma, followed by death.

Inspection of carcass reveals internal wounding was excellent, vitals destroyed

Please refer to the game killing section for more detailed information on the exact mechanics of hydrostatic shock, an often misunderstood term.

In the example just given, the .300 RUM produced immensely fast killing in comparison to the sevens. Nevertheless, this does not mean that the same 30 caliber projectiles will give the same results on light bodied deer. Regardless of the power of the .300 RUM, projectiles such as the 180 grain GameKing and Prohunter can produce delayed killing on light framed game by having too much momentum (bullet construction), not meeting enough resistance on impact, resulting in a lack of hydrostatic shock. As always, bullet weights and bullet construction must be matched to the job at hand. Again, referring to the example given, a change to the 160 grain Partition in the 7mm Magnum would have effected immediate collapse of the 150kg animal.

The .300 RUM most definitely has negative aspects. Excessive throat wear is a problem and can occur very quickly. If a rifle is shot in strings for practice, the early signs of accuracy loss can be seen in as little as 300 rounds. With care and attention to barrel heat, friction prevention and bore finish, optimum accuracy can be maintained for approximately 600 rounds. With great care, barrel life can be extended further, for up to 900 rounds. This 600 to 900 round figure is perhaps the most sound barrel budget, but again, bore care and shooting habits are key factors. With cleaning procedures, one could easily reason that the less abrasives used on an already fast wearing abrased bore the better. But the opposite is true, constant polishing prevents the barrel steel at the throat of the RUM’s from becoming porous.

Heated arguments do occur regarding barrel life of the RUM’s. Readers are in this regard asked to consider how such factors as lubricants, polishing methods, barrel steel, barrel contour and shooting strings can effect results. Yet another factor is how shooters define acceptable accuracy. While one shooter may find .75MOA acceptable, another may find this level of accuracy abysmal for long range shooting. When all of these factors are taken into consideration, one can see how easily barrel life results can vary from rifle to rifle and from shooter to shooter.

Remington utilize extremely long free bore to achieve high velocities in the RUM’s. This free bore acts as a gas expansion chamber, allowing for a long peak pressure wave. The .300 RUM uses up to .400” free bore, dictated by the available internal magazine lengths of typical magnum action rifles. In custom rifles, the magazines of the Winchester and Remington rifles can be altered to partially alleviate this potential problem thanks to the Wyatt Outdoors extended magazine box. But in standard form, the shooter can only experiment with ammunition and projectile brands and hope that a given projectile will enter the rifling squarely rather than off center and produce desirable accuracy.  

Generally speaking, the longer the projectile, the more it can be guided into the rifling squarely by the RUM case neck. Some rifles do produce desirable accuracy with lighter weight projectiles, experimentation and realistic expectations are the key.

A third negative factor of the .300 RUM is the immense recoil however this can be tamed via muzzle brakes. In unbraked rifles, a weight of 10.5lb field ready is about the minimum for which an experienced shooter can expect consistency of POI at long ranges, requiring sound shooting techniques and sturdy sling tensions as recoil inertia is still evident. Brakes for the .300 RUM should be side ported, rather than spiral ported, the latter having the potential to throw ground debris into the shooters face and across the rifle action unless a ground mat is used.

The velocities of the .300RUM can place extreme demands on projectiles, requiring stout construction for close range impact as well as fast expansion for longer range shots. The higher the impact velocity, the greater the target resistance, resulting in increased stress placed on projectiles. Again, matching bullet weights and bullet construction to game body weights and range is the key to success.

Like all .300 magnums, the .300 RUM is not designed for use on large dangerous game. When used on heavy game, as is reiterated throughout these texts, neck shots followed by head shots (head shots if range and conditions permit) produce the fastest, safest kills.

As with many cartridge designs, the .300 RUM has both its strengths and weaknesses. The trick is being able to understand and work to its strengths, exploiting the full potential of the available power. A high level of personal discipline is required to accurately shoot a stout recoiling magnum along with a sound rifle platform. To be sure, a .300 RUM rifle that groups 1.5” at 100 yards is far less effective in the field than a .308 Winchester that groups .5”.


300 RUM article



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Reloading Podcast 249 - You can't shoot cast in that.

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are talking cast bullets in Glocks.

  1. Hi guys. Long time listener and I greatly appreciate what you all bring to the shooting community. My question is about loading 9mm. I’ve been reloading 45 acp for years. I enjoy it, find it relaxing, and have developed loads for specific pistols for accuracy and function. Just purchased a Glock 19 gen 5 and was wondering if it’s worth reloading 9mm for it. Cost is not a deciding factor, but more so my confusion on their marksman barrel. Research tells me folks are scared of reloading lead cast for Glock’s, and of course Glock says no way. I think most of these concerns are for folks that don’t clean their barrels after every trip. Is it worth reloading 9mm any more?  And if so, as long as I am careful and work up loads properly, and clean my barrels after every trip, any reason not to use reloads in a Glock gen5? Any input would be great. Many thanks. John

  2. Hey guys, just got my first press(simple L-n-L classic) and I just cleaned a bunch of brass that I’ve been collecting(my own) for a year now. I’m wondering, I may not reload for a week or so, should I lube after it’s dried from cleaning, or wait till I’m actually going to load? Thanks. Will P.S. Every one of you are nuts and you need to go daily! WE NEED YOU!!!!





Cartridge corner: 25-35 WCF

Cartridge Type: Rifle

Height: 2.043"

Width: 0.506"

Average FPS: 2230

Average Energy: 1292

Average Gr: 117

Recoil: 1.18

Power Rank: 2.61 of 20

The .25-35 Winchester Center Fire (WCF) was designed in 1895 for the Winchester Model 1894 lever action rifle. The parent case is a large rifle primer based off the .30-30 with a .258 inch (6.6mm) round. The ballistic performance based off four grain type of velocities for a 24" barrel are 3,026 ft/s (60 gr), 2,815 ft/s (75 gr), 1,513 ft/s (90 gr), and 2,357 ft/s (117 gr).

Production on the .25-35 WCF cartridge ceased after 1940, but Winchester reintroduced it in 2005 just before the company ran into financial trouble. Browning picked up the rights to manufacture rifles for the .25-35 WCF under the Winchester name, and commercial factory loaded rounds are still available. Handloading brass/rounds are available from dealers such as Sierra, Hornady, along with Mt. Baldy Bullet Company.

The .25-35 WCF can kill medium sized game up to 100 yards distance and small game up to 200 yards distance. It is better suited as a small game or varmint hunting rifle when using commercial rounds. Hand loading rounds have been able to produce higher velocity shots with deeper penetrating wounds on targets further out than 100 yards.



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Reloading Podcast 248 - It's Phil's Fault

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are answering questions about not normal bullet weights.

  1. Hey guys, been listening to the show for a long time. You fellas do a great job at getting out good information while keeping it entertaining, as long as you can keep the old man awake that is. Keep up the good work and the friendly jabs.  How do you guys recommend loading bullets you don't have data for?  I'm shooting 357 Maximum and have great luck with the speed 180g hot cores but would like to try some of lehigh defense bullets. I've loaded both the 105g controlled fracturing and the 140g extreme penetrator in regular 357 magnum and have had good luck on both coyotes and deer (respectively). I'll be shooting these out of a TC Contender by the way. While lehigh publishes data for these bullets in 357 magnum they don't have data for 357 maximum. How do I go about using those lighter monolithic bullets in my max?

    1. Bonus data, I was able to run my loads through a magneto speed. I don't have my spreadsheet with me but out of a 16.5" barrel the 180g speer hot cores were cranking out at 1770 fps (in a maximum case) while the 357 magnum loads were 1780 for 140g and 2210 for the 105g. Thanks, Sean M

  2. Hello all... loading 44 mag and I'm needing some piece of mind with a question that's bugging me....Book says shot out of 8 inch barrel should be 1340 fps, when I shoot out of 18inch Henry big boy.  I get 1560fps average. I fully understand faster velocity for barrel length. But my question is does it change pressure or is pressure consistent with load data no matter barrel length? HogHead

  3. I have seating depth question for my 458 Socom loading. I have had a lot of success reloading and making accurate and reliable rounds from all the information I can collect. I have the Barnes 300gr TTSX and Lehigh Defense 300gr match. Very similar CNC copper bullet and load data created for both by Western Powders. The Barnes data seats the bullet 0.100 deeper in the case and 34.07 gr of Reloader 7 at 98% case fill producing 4.45 FPS more velocity per grain of powder. Lehigh bullet data load is a lot more powder to compacting the load and slower. What’s your opinion on reducing OAL of the Lehigh bullet to match the Barnes seating depth and powder load to produce similar velocity with the lower charge? Patrick H



Cartridge corner: American firearms manufacturer J. Stevens Arms & Tool Company introduced the .22 Long Rifle cartridge in 1887.[4] The round owes its origin to the .22 BB Cap of 1845 and the .22 Short of 1857. It combined the casing of the .22 Long of 1871 with the 40-grain (2.6 g) bullet of the .22 Extra Long of 1880, giving it a longer overall length, a higher muzzle velocity and superior performance as a hunting and target round, rendering both the .22 Long and .22 Extra Long cartridges obsolete. The .22 LR uses a heeled bullet, which means that the bullet is the same diameter as the case, and has a narrower "heel" portion that fits in the case. It is one of the few cartridges that are accepted by a large variety of rifles and handguns.

Popularity in the United States[edit]

The .22 LR cartridge is popular among novice shooters and experts alike. Its minimal recoil and relatively low noise make it an ideal cartridge for recreational shooting, small-game hunting, and pest control. .22 LR cadet rifles are commonly used by military cadets and others for basic firearms and marksmanship training. It is used by the Boy Scouts in the United States for the rifle shooting merit badge.[5]

The low recoil of the cartridge makes it ideal for introductory firearms courses. Novice shooters can be surprised or frightened by the noise and recoil of more powerful rounds. Beginners shooting firearms beyond their comfort level frequently develop a habit of flinching in an attempt to counter anticipated recoil. The resulting habit impedes correct posture and follow-through at the most critical phase of the shot and is difficult to correct. With high recoil eliminated, other errors in marksmanship technique are easier to identify and correct.

Available for this round are AR-15 upper receivers and M1911 slide assemblies. Many handgun manufacturers have an upper pistol conversion kit to make it shoot .22 LR ammunition. These conversions allow shooters to practice inexpensively while retaining the handling characteristics of their chosen firearms (with reduced recoil and muzzle blast). Additionally, .22 LR cartridge conversion kits allow practice at indoor ranges which prohibit high-power firearms. Owners of guns that use gas systems, such as AR-15 sport style rifles, normally avoid firing non-jacketed .22 LR cartridge ammunition, as the use of unjacketed ammunition may cause lead-fouling of the gas-port inside the barrel and costly gunsmithing procedures.

A wide variety of .22 LR ammunition is available commercially, and the available ammunition varies widely both in price and performance. Bullet weights among commercially available ammunition range from 20 to 60 grains (1.3 to 3.9 g), and velocities vary from 575 to 1,750 ft/s (175 to 533 m/s). .22 LR is the least costly cartridge ammunition available.[6] Promotional loads for plinking can be purchased in bulk for significantly less cost than precision target rounds. The low cost of ammunition has a substantial effect on the popularity of the .22 LR. For this reason, rimfire cartridges are commonly used for target practice.

.22 LR cartridges are commonly packaged in boxes of 50 or 100 rounds, and is often sold by the 'brick', a carton containing either 10 boxes of 50 rounds or loose cartridges totaling 500 rounds, or the 'case' containing 10 bricks totaling 5,000 rounds. Annual production is estimated by some at 2–2.5 billion rounds.[7][8] The NSSFestimates that a large percentage of the US production of 10 billion cartridges is composed of .22 LR.[9] Despite the high production figures there have occasionally been shortages of .22 LR cartridge in the continental United States, most notably during the 2008–13 United States ammunition shortage.

Performance[edit]

Two .22 LR rounds compared to a .45 ACP cartridge

Performance depends on barrel length and the type of action. For example, it will often perform differently in a bolt-action rifle than in a semiautomatic rifle. The .22 LR is effective to 150 yd (140 m), though practical ranges tend to be less. After 150 yd, the ballistics of the round are such that it will be difficult to compensate for the large "drop". The relatively short effective range, low report, and light recoil has made it a favorite for use as a target-practice cartridge. The accuracy of the cartridge is good, but not exceptional; various cartridges are capable of the same or better accuracy. A contributing factor in rifles is the transition of even a high-velocity cartridge projectile from supersonic to subsonic within 100 yd (91 m). As the bullet slows, the shock wave caused by supersonic travel overtakes the bullet and can disrupt its flight path, causing minor but measurable inaccuracies.

When zeroed for 100 yd (91 m), the arc-trajectory of the standard high-velocity .22 LR with a 40-gr bullet has a 2.7-inch (69 mm) rise at 50 yd (46 m), and a 10.8-inch (27 cm) drop at 150 yd (140 m).[10] A .22 LR rifle needs to be zeroed for 75 yd (69 m) to avoid overshooting small animals like squirrels at intermediate distances.[10]

As a hunting cartridge, rimfires are mainly used to kill small game up to the size of coyotes.[11] Although proper shot placement can kill larger animals such as deer or hog,[12] it is not recommended because its low power may not guarantee a humane kill.[13] The largest recorded animal killed with a .22 long caliber rifle was a grizzly bear in 1953.[14]

American firearms manufacturer J. Stevens Arms & Tool Company introduced the .22 Long Rifle cartridge in 1887.[4] The round owes its origin to the .22 BB Cap of 1845 and the .22 Short of 1857. It combined the casing of the .22 Long of 1871 with the 40-grain (2.6 g) bullet of the .22 Extra Long of 1880, giving it a longer overall length, a higher muzzle velocity and superior performance as a hunting and target round, rendering both the .22 Long and .22 Extra Long cartridges obsolete. The .22 LR uses a heeled bullet, which means that the bullet is the same diameter as the case, and has a narrower "heel" portion that fits in the case. It is one of the few cartridges that are accepted by a large variety of rifles and handguns.

Popularity in the United States[edit]

The .22 LR cartridge is popular among novice shooters and experts alike. Its minimal recoil and relatively low noise make it an ideal cartridge for recreational shooting, small-game hunting, and pest control. .22 LR cadet rifles are commonly used by military cadets and others for basic firearms and marksmanship training. It is used by the Boy Scouts in the United States for the rifle shooting merit badge.[5]

The low recoil of the cartridge makes it ideal for introductory firearms courses. Novice shooters can be surprised or frightened by the noise and recoil of more powerful rounds. Beginners shooting firearms beyond their comfort level frequently develop a habit of flinching in an attempt to counter anticipated recoil. The resulting habit impedes correct posture and follow-through at the most critical phase of the shot and is difficult to correct. With high recoil eliminated, other errors in marksmanship technique are easier to identify and correct.

Available for this round are AR-15 upper receivers and M1911 slide assemblies. Many handgun manufacturers have an upper pistol conversion kit to make it shoot .22 LR ammunition. These conversions allow shooters to practice inexpensively while retaining the handling characteristics of their chosen firearms (with reduced recoil and muzzle blast). Additionally, .22 LR cartridge conversion kits allow practice at indoor ranges which prohibit high-power firearms. Owners of guns that use gas systems, such as AR-15 sport style rifles, normally avoid firing non-jacketed .22 LR cartridge ammunition, as the use of unjacketed ammunition may cause lead-fouling of the gas-port inside the barrel and costly gunsmithing procedures.

A wide variety of .22 LR ammunition is available commercially, and the available ammunition varies widely both in price and performance. Bullet weights among commercially available ammunition range from 20 to 60 grains (1.3 to 3.9 g), and velocities vary from 575 to 1,750 ft/s (175 to 533 m/s). .22 LR is the least costly cartridge ammunition available.[6] Promotional loads for plinking can be purchased in bulk for significantly less cost than precision target rounds. The low cost of ammunition has a substantial effect on the popularity of the .22 LR. For this reason, rimfire cartridges are commonly used for target practice.

.22 LR cartridges are commonly packaged in boxes of 50 or 100 rounds, and is often sold by the 'brick', a carton containing either 10 boxes of 50 rounds or loose cartridges totaling 500 rounds, or the 'case' containing 10 bricks totaling 5,000 rounds. Annual production is estimated by some at 2–2.5 billion rounds.[7][8] The NSSFestimates that a large percentage of the US production of 10 billion cartridges is composed of .22 LR.[9] Despite the high production figures there have occasionally been shortages of .22 LR cartridge in the continental United States, most notably during the 2008–13 United States ammunition shortage.

Performance[edit]

Two .22 LR rounds compared to a .45 ACP cartridge

Performance depends on barrel length and the type of action. For example, it will often perform differently in a bolt-action rifle than in a semiautomatic rifle. The .22 LR is effective to 150 yd (140 m), though practical ranges tend to be less. After 150 yd, the ballistics of the round are such that it will be difficult to compensate for the large "drop". The relatively short effective range, low report, and light recoil has made it a favorite for use as a target-practice cartridge. The accuracy of the cartridge is good, but not exceptional; various cartridges are capable of the same or better accuracy. A contributing factor in rifles is the transition of even a high-velocity cartridge projectile from supersonic to subsonic within 100 yd (91 m). As the bullet slows, the shock wave caused by supersonic travel overtakes the bullet and can disrupt its flight path, causing minor but measurable inaccuracies.

When zeroed for 100 yd (91 m), the arc-trajectory of the standard high-velocity .22 LR with a 40-gr bullet has a 2.7-inch (69 mm) rise at 50 yd (46 m), and a 10.8-inch (27 cm) drop at 150 yd (140 m).[10] A .22 LR rifle needs to be zeroed for 75 yd (69 m) to avoid overshooting small animals like squirrels at intermediate distances.[10]

As a hunting cartridge, rimfires are mainly used to kill small game up to the size of coyotes.[11] Although proper shot placement can kill larger animals such as deer or hog,[12] it is not recommended because its low power may not guarantee a humane kill.[13] The largest recorded animal killed with a .22 long caliber rifle was a grizzly bear in 1953.[14]


22 Long Rifle – subsonic hollow point (left), standard velocity (center), hyper-velocity "Stinger" hollow point (right)

Type

Rimfire cartridge

Place of origin

United States

Production history

Designer

J. Stevens Arms & Tool Company

Designed

1887

Specifications

Parent case

.22 Long[1]

Case type

Rimmed, straight[1]

Bullet diameter

0.223 in (5.7 mm) - 0.2255 in (5.73 mm)[1]

Neck diameter

.226 in (5.7 mm)[1]

Base diameter

.226 in (5.7 mm)[1]

Rim diameter

.278 in (7.1 mm)[1]

Rim thickness

.043 in (1.1 mm)[1]

Case length

.613 in (15.6 mm)[1]

Overall length

1.000 in (25.4 mm)[1]

Rifling twist

1:16"[1]

Primer type

Rimfire[1]

Ballistic performance




Bullet mass/type

Velocity

Energy


40 gr. (2.6 g) Solid[2]

1,200 ft/s (370 m/s)

131 ft⋅lbf (178 J)

38 gr. (2.5 g) Copper-plated HP[2]

1,260 ft/s (380 m/s)

134 ft⋅lbf (182 J)

32 gr. (2.1 g) Copper-plated HP[2]

1,430 ft/s (440 m/s)

141 ft⋅lbf (191 J)

31 gr. (2.0 g) Copper-plated RN[3]

1,750 ft/s (530 m/s)

204 ft⋅lbf (277 J)

30 gr. (1.9 g) Copper-plated HP

[3]

1,640 ft/s (500 m/s)

191 ft⋅lbf (259 J)


Test barrel length: 18.5"

Source(s): [2][3]




https://en.wikipedia.org/wiki/.22_Long_Rifle




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Reloading Podcast 247 - It weighs on us...

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are talking scales and some load questions.

  1. Jason Svoboda Posted in RLPG:

    Hey everybody, my Lyman analog scale just broke. What are your recommendations for a new scale? Prefer digital. (How did he break a beam scale?)

    1. WAOAW Digital scale

  2. Denny Rice Posted in RLPG:

    I know someone has probably ask this before, but I am pretty new to the hobby.. I need to purchase a digital scale for my reloading room, any suggestions would be grateful. Thanks.

  3. Kevin Smith posted in RLPG:
    “Can you load 115 grain bullets in a standard 243 brass 100 grain gunpowder yes or no way”

  4. Nate Segar posted in TRRG:

    What would happen, all other things being the same (powder, primer, bullet, and OAL) if a reloaded .380 was fired in a 9mm chamber?  

    I use range brass for reloading 9mm, and every once in a great while a .380 case will slip through. As far as I know none have made it as far as being fired.

  5. Ron Carpenter posted in TRRG:

    I bought some new Lake City 223 brass and I can only get about 3 reloads out of it before the necks crack. Is that about right? My Nosler and Norma brass goes way past that.

  6. Bruce Estabrook posted in TRRG:

    Any reason I can't run these in my 460 S&W T/C Encore pistol? Don't see any data in my Hornady book just the 200 gr FTX.

  7. John Musbach posted in TRRG:

    I'm ready to try stainless pin, any recipes? Some people don't use pins at all? Any help would be appreciated.

    1. Southern Shine Media





Cartridge corner: 250-3000/.250 Savage


History


The .250 Savage was designed by U.S wildcatter and cartridge designer Charles Newton for the Savage model 99 lever action rifle.


The premise behind the .250 design was to utilize a light, small caliber bullet weight, driven at extremely high velocity (for 1915) with the belief that such a combination would be more effective than current deer hunting cartridges. It was hoped that the new cartridge would be a breakthrough in cartridge design.

During this time, hunters were already marveling at high velocity cartridges including the 30-30, .30-40, .30-06, the .303 British throughout the Commonwealth along with the 7mm and 8mm Mauser, nearly all of these being military derivatives.

Using a 25 caliber (.257") 87 grain bullet, Newton designed the new cartridge to break the 3000fps barrier. Newton also had a catchy slogan which he was determined to use - the .250-3000. Arthur Savage, founder of the Savage Arms company, wasn't so sure about the idea and believed a 100 grain bullet would be more suitable for deer. Ultimately, Newton was unable to drive the 100 grain bullet at the 3000fps slogan he wished to market and managed to persuade Savage to adopt the 87 grain load. The design was settled and in 1915 the .250-3000 was introduced.


The .250-3000 became extremely popular for a time, then gradually lost favor. Hunters, not only in the U.S but throughout the world adopted the Savage for its advertised virtues but soon found the cartridge wanting. The lightly constructed 87 grain factory load would sometimes suffer bullet blow up on impact and fail to penetrate the onside muscle and bone of a variety of deer species. Wounding was often both narrow and shallow and game animals would run after being hit with well placed shots. To add to the frustration, many hunters found the light recoiling, fast handling and highly accurate Savage rifle extremely nice to use. Hunters were loathe to part with the Savage rifle but loathe to use the cartridge on deer.


Eventually, a 100 grain load was created for the .250 but by this time, the cartridge already had a bad rap. Nevertheless, a small portion of hunters continued to enjoy using the .250 on light bodied game, favoring the light recoil of the .250 combined with the desirable qualities of the Savage 99 rifle. As can be expected, the .250 was a great cartridge for training young hunters and it is in this last role that the .250 Savage has survived through to the present.


In main stream hunting circles, the final decline of the .250 occurred as a direct result of the 1950’s introduction of the .243 Winchester. The .243 fired identical weight projectiles but at higher velocities along with superior sectional densities for deeper penetration on game as well as higher ballistic coefficients producing greater down range energy.


Performance

The history of the .250 Savage speaks for itself with regards to performance on game. The .250 is a very mild powered cartridge and for best performance on game weighing above 50kg (120lb) is completely reliant on extremely careful shot placement. In its hey day, the Savage rifle was not designed to be fitted with a scope and even today, very few .250 Savage rifles feature scopes which compounds problems with exact shot placement accordingly.

Unfortunately, 87 grain .257” projectiles really do lack suitable SD’s and BC’s for hunting medium game, especially as ranges exceed 150 yards. 100 grain projectiles are much better suited to hunting light bodied deer but due to velocity limitations of the .250 Savage, wounds tend to be narrow and while kills out to moderate ranges can be considered clean, chest shot game will often travel long distances before expiring.

This cartridge is much closer in performance to the .223 Remington than the .243 Winchester or .257 Roberts.  That said, the .250 Savage does of course duplicate the performance of the .243 and .257 when the latter are used at longer ranges. In like fashion, the 100 grain bullet produces fastest killing when either striking the CNS or to maximize wounding and bleeding, placed to strike the forwards locomotive muscles and bones of the foreleg. Readers are encouraged to read both the .223 and .243 texts in order to gain a thorough understanding of game killing with small calibers.



Factory Ammunition

Both Remington and Winchester produce 100 grain soft point loads for the .250 Savage at an advertised 2820fps (24” test barrels) for realistic velocities in 22” barrels of around 2750fps. Both are adequate lighter medium game loads when used with care.


Hand Loading

Most hunters in the possession of .250 Savage caliber rifles tend to be hand loaders and of these, many develop loads specifically for use by young family members.


Powders in the W760, 4350, H414 range produce the best balance of high velocity versus low pressure for the now aging .250 Savage rifles. Using these powders, 85/87 grain bullets can be driven at just over 3000fps, 100 grain bullets to 2800fps and 117/120 grain bullets at 2600fps. In some instances, reloaders have been able to utilize modern powders to drive 100 grain bullets at 3000fps. Though it is only a 200fps increase, the difference in the field is noticeable. Nevertheless, 3000fps with a 100 grain bullet must be treated as an exception rather than the rule and reloaders must always be careful regarding older rifles.


Today, all .257 caliber projectiles under 100 grains are designed purely for varmints. It is worth noting, the original Winchester Western loads designed for and which failed on deer were of a similar construction. Sierra produce a 75 grain Hollow point and 87 grain soft point, Speer produce the 87 grain soft point and TNT hollow point while Hornady offer a 75 grain hollow point, the 75 grain V-Max and an 87 grain soft point. Nosler produce an 85 grain Ballistic tip and of the varmint bullet offerings, this is perhaps the most useful light game bullet for use on animals weighing between 40 and 60kg (90-130lb) out to moderate ranges.


For game weighing up to a maximum of 80kg (180lb), the most consistent performing projectiles are the 100 grain conventional bullets. The mild velocity of 2800fps minimizes the risk of bullet blow up which opens up a wide range of choices. The higher muzzle velocities of 3000fps are not overly harsh on 100 grain projectiles either, all of today’s projectiles are designed to be launched from the spectacular .25-06 at velocities in excess of 3300fps.


Soft projectiles such as the 100 grain Hornady Interlock Remington’s Core-Lokt are both reliable performers in the .250 Savage. That said, the Nosler 100 grain Ballistic Tip and Sierra GameKing both produce wider, faster bleeding wounds.


Speer produce three styles of 100 grain projectile, the extremely soft BTSP, a hollow point and the more consistent 100 grain Spitzer. The BTSP and hollow point are much more akin to varmint projectiles than light medium game projectiles and neither should be used on game weighing more than 40kg (90lb).


Premium 100 grain projectiles include the Swift Scirocco and A-Frame, the Barnes TSX and Nosler Partition. Of these, the Nosler Partition, as old as this design is, is still the best choice for heavier deer. The Partition has an extremely soft front core and gives not only fast but also full expansion at low impact velocities and energies.


At the heavier end of the scale, 110 to 120 grain projectiles leave the muzzle of most .250 Savage rifles a little too slowly to impart wide, fast bleeding wounds. That said, the more frangible designs can make for a decent close range woods load. These include the 115 grain Nosler Ballistic Tip, the 117 grain Sierra GameKing and 117 grain Hornady SST. Penetration with all of the above loads is generally deep at low impact velocities and at point blank ranges, bleeding is fast yet with minimal meat damage. Stouter choices include the 120 grain Speer Hotcor and the 115 and 120 grain Partition projectiles. Both, when fired at 2600fps, are capable of tail to chest penetration on lighter deer species. In this respect the .250 Savage compares very favorably with the .30-30.


Closing Comments

The .250 Savage was an important step in the development of the modern hunting cartridge. From the .250, ballisticians and hunters were able to learn about velocity versus bullet weight and velocity versus bore size in the pursuit of effective game killing. Thousands of deer were taken with the .250 up until the late 1950’s but make no mistake, many hundreds of animals suffered overly slow kills.  

For several of today’s hunters, the .250-3000 holds classic appeal and there is no doubt that the Savage 99 was a fine rifle, both aesthetically and in function. Light bodied game are still harvested with the .250, often by youths under the watchful eye of an experienced parent. The .250 can either produce consistent or abysmal results. The hunter can maximize performance by setting game weight limitations as well as being vigilant in angling shots to destroy not only vitals but also locomotive muscle and bone.






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Reloading Podcast 246 - Moist Nuggets

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are covering reloading apps and Mosin Nagant chambers.

                                                                       

  1. Reloading phone apps: I just found Dillon precision app in App Store, they have one in google play. Very versatile. AmmoSeek Is pretty good at finding component prices too. Dillon app can even calculate power factor. I need to check on a shot timer for range. Daniel

  2. Message: Hello Gentlemen, Love the show. Question: I measured my mosin chamber using Sinclair chamber length gauge. I'm reloading once fired 7.62x54r brass. My fired brass is more than .030 shorter than the Sinclair gauge measurements. Do I trim my brass to a similar length or keep the once fired brass as is until I reach the trim to length? I ask because my once fired brass is not all uniform in case length. If I load these as is, will accuracy suffer due to the brass being different lengths? Hope that makes sense! I realize a mosin is hardly a precision instrument but learning the basics before trying on a better firearm. Thanks! Erik

  3. Hey guys, I have been listening for a while now and like what you guys are doing. I have been reloading since I was 12 with my dad. I have only reloaded rifle rounds for hunting various critters in Oregon and now Idaho. 220 Swift, 243 win, 260 rem, 25-06, 270 win, 30-06, 300 rum and most recently added the 280 Ackley.  It seems that you guys are mostly into pistol stuff but I hear of an old timer in your midsts that has a 280 Ackley. Lol. I’m just curious of your personal process of getting your loads up and running. This is my wife’s new elk rifle and have worked up a load for the 168 gr AccuBond long range bullets. I was just interested in how you set yours up.  Rem 700 action, 24 in kreger w 1 in 9 twist sitting in a bell and Carlson stock. Timney trigger. Keep up the good work!! Tyler in North Idaho


Cartridge corner:   . none




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Reloading Podcast 245 - Whidden Gun Works

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are talking with John Whidden of Whidden Gun Works.

  1. Whidden Gun Works

Cartridge Corner Notes:

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Reloading Podcast 244 - Grab that powder and get loading

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are helping you figure out powder choosing methods.

  1. Matthew Schinzing
    Any suggestions on the best way to choose between powders in a c  aliber. Specifically between reloader 15 and cfe223 in 6.5 grendel pushing a 129gr pill. I’m using a 16” barrel so I think a faster burn rate would be better but I don’t know how they compare.

  2. Greg Lacey posted in RLPG
    Looking for powder recommendations for 6.5 Grendel. I am using Varget under a 120 gr Hornady ELDM. I am getting around 2350 ft/sec. I am wanting to get the velocity up to decrease wind effect at longer distance. What powders are giving good accuracy and velocity with 120 and 130 gr bullets? Also hoping to have good temp stability.

    If I am able to get the performance out of them I am also looking to step up to a 130 gr pill. Have looked through several reloading manuals, but not wanting to try every powder in there. So far my short list for 130s is: IMR 8208 XBR, Win 748, BLC-2, and Accurate 2520.

    Thanks for your input!

  3. Tim Denton RLPG
    I finally got to listen to your podcast 243 today and I was listening to your discussion about the guy not hitting the target at 700 yards but grouping quit nicely at 500 yards. So it made me start thinking about the transition into and out of Mach also known as transonic. Transonic happens in between 0.8 and 1.2 Mach (Amazing I remember this from my Aerospace college years lol). So depending on the object "bullet" he is in transonic between 900 and 1350 ft/sec. Now this is at sea level, 64 degrees F and in dry air and I did check myself with wikipedia. As a side note our pilot instructors call the transonic area "Where Elvis lives" and you don't want to stay in that area very long it would shake your plane a lot. Well I hope this helps and keep up the great work guys I really enjoy the podcast.

  4. Zack Gates  RLPG 17 Mar 19

    37.6 but SD was 11.5. Seating depth was 2.200. Could changing seating depth make my SD better? Shooting 6.5 CM with 140 gr Berger elite hunters.





Cartridge Corner Notes:375 Winchester

History


The .375 Winchester was released in 1978 as the initial chambering for Winchester’s Big Bore 94 lever action rifle. The .375 was a revised high power version of the .38-55 Winchester-Ballard black powder cartridge which, in 1894, was one of the initial chamberings of the then new Winchester M94 lever action rifle.


Designed byby U.S gunmaker Charles H Ballard; historical authorities generally agree that the .38-55 Ballard was first introduced in 1884. Ballard’s first major innovation was the creation of an extremely well designed single shot rifle action. After patenting his action in 1861 Ballard sold the rights to use his design to various gun makers. In 1875 John M Marlin adopted the Ballard action which was used as a basis to build accurate rifles. In 1881 Marlin formed the Marlin Firearms company and it is around this time period that the first references can be found of the .38-55 Ballard proprietary cartridge being offered in the Marlin single shot No.4 Perfection.


The .38-55 Ballard earned a reputation as an extremely good cartridge for target shooting out to 300 yards. It was smaller than some of the more common bores in use at that time but produced a good trajectory and low recoil. The most common load consisted of a 255 grain .375 caliber bullet at 1200fps.


With the continued popularity of the .38-55 Ballard, Winchester adopted it as one of the two initial chamberings for their new M1894 Winchester rifle. This rifle is now most famous for its .30-30WCF chambering. After its adoption by Winchester the .38-55 cartridge later came to be called the .38-55 Winchester-Ballard but was also sometimes referred to as the .38-55 Winchester or simply the .38-55 as it was not usually confused with other chamberings. After the turn of the century many of the old black powder cartridges lost popularity as hunters switched to bolt action rifles and bottle necked rimless cartridges. Winchester eventually dropped the .38-55 chambering. Even though its popularity was limited, it continued to maintain a small following amongst black powder cartridge fans which still exists today.


The 1960’s was a time of great creativity, though it was also at this time that Winchester began to instigate cost cutting changes. Nevertheless in 1963, in an attempt to modernize the lever action rifle, Winchester released the Model 88 lever action rifle chambered for the .284 Winchester cartridge. The .284 cartridge was a flat shooting and hard hitting 7mm, a great all-round cartridge, however sales of this rifle were poor and the M88 was soon dropped from production.


From the poor reception of the M88, Winchester designers came to the conclusion that the success of lever action rifle sales depended on classic designs. In 1978 Winchester released a new rifle and cartridge based on these principles. The new rifle was simply a beefed up stronger version of the original M94 lever action rifle and was named the Big Bore 94. Along with the revised rifle came a revised version of Winchester’s original M94 .38-55 chambering, the .375 Winchester.


Winchester factory loads for the .375 featured a 200 grain flat nose Powerpoint bullet at an advertised 2200fps and a 250 grain Powerpoint bullet at 1900fps. These velocities were recorded in a 24” test barrel and true velocities from 20” barrels were more in the region of 2100 and 1800fps respectively.


In 1981 the Winchester company was sold and renamed as the U.S Repeating Arms Company (U.S.R.A.C). Along with this change of hands came modifications to the Big Bore rifle (1982) incorporating side ejection to facilitate the mounting of a scope. The modified rifle was named the Big Bore XTR AE (angle eject). Two new Big Bore cartridges were also introduced at this time, the .307 and .356 Winchester, these were part of Winchester’s original intention to create a family of potent, high pressure cartridges for the Winchester lever action rifle.


Also at this time a fourth .400 caliber cartridge waited in the wings. But contrary to the hopes of the designers all three Winchester cartridges (.307, .356, .375) failed to obtain any lasting popularity. The .375 caliber rifle was the first to fall from production and by the mid 1990’s the .307 and .356 caliber rifles were also discontinued. Today these cartridges enjoy a small and quiet following amongst fans of unique lever action cartridges. Winchester continue to produce one of the two original factory loads for the .375, the 200 grain Powerpoint.


In comparison to the original .38-55 cartridge case, the .375 has thicker case walls and a stronger head. The case is .65” shorter than the .38-55, an odd decision as this potentially allows the .375 rated at 50,000CUP to be accidently chambered in a .38-55 caliber rifle, the .38-55 being rated at 30,000CUP. Due to the fact that the .38-55 case is longer than the .375, it is unsafe to fire .38-55 ammunition in the big bore rifle. That said, a small number of Big Bore rifles were reamed to .38-55 and stamped 38-55/ .375 Winchester. These rifles, of which I have owned one, can fire both ammunitions safely.


Document quoted link:

https://www.ballisticstudies.com/Knowledgebase/.375+Winchester.html?__utma=1.1129738760.1553037324.1553037324.1553037324.1&__utmb=1.4.10.1553037324&__utmc=1&__utmx=-&__utmz=1.1553037324.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)&__utmv=-&__utmk=55234987


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Reloading Podcast 243 - It gets wobbly past 500

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are discussing press mounting systems and load questions.

  1. Good Morning,   Here is the issue, I have been shooting .308 for years. Just recently (a month ago) started reloading, my first time with the whole process. It has been a very fun experience. I went out to 700 yards for the first time with one of my newest rifles, a Mossberg MVP LC .308, 18.5 inch barrel with a 1/10 twist. I'm using a 165 grain A-MAX and sometimes a 168 grain ELD bullet. I ran into a problem, here goes the story.  I shoot lights out at anything from under 550 yards. Once I stretch past that I am lucky if I get two out of ten. People are trying to sell me on the idea that my barrel is too short, my bullet is too heavy and my FPS is too low. I'm currently chronographed at an average of 2300 feet per second. Some of the things they are saying (and I cant verify if true or false) : The barrel is not long enough and all the powder is not burning. (varget powder 39.5 grains) The bullet is too heavy and doesn't stabilize well past 550 yards (I have a 3 inch group at 550 yards on paper) we are not allowed to put paper targets past that because the terrain is hazardous to walk on.The Barrel is not long enough to stabilize that round (doesn't make sense because I have .305" grouping at 100yds) The wind affects a .308 more than any other round, you will never be as accurate as you want to be with that caliber.Push your velocity up to 2700 and see if that helps (2700 would require me to run the max load for that bullet) In conclusion, I have ran load tests, scope calibration tests, and even had my weapon cleaned and inspected by a gun smith who gave me a C.O.L. that would allow me to touch the lands. After three months of failing to be consistent at 700 yards I have decided to reach out to you. Are they giving me good or bad information? I know this is an awful lot of stuff, but I had nowhere else to get professional and accurate information specific to my needs.






Cartridge Corner Notes:.30-378 Weatherby Magnum

From Wikipedia, the free encyclopedia


The .30-378 was originally designed by Roy Weatherby as an anti-personnel/anti-materiel military cartridge for a government contract.[4] The cartridge was created by necking down the .378 Weatherby Magnum to accept a .308 in (7.8 mm) diameter bullet. The United States Army’s Redstone Arsenal requested a rifle cartridge that could develop 6,000 ft/s (1,800 m/s) for the effects of light bullets against armor. The .30-378 Weatherby Magnum was able to attain over 5,000 ft/s (1,500 m/s). Using a slower burning and denser propellant, the .30-378 Weatherby Magnum surpassed the US Army’s requirement of 6,000 ft/s (1,800 m/s).[5]


However, the shooting public had to wait until 1996 for Weatherby to release the cartridge.[6] In the meantime, the .30-378 Weatherby Magnum had gone on to set world records in 1,000 yards (910 m) benchrest competitions. Earl Chronister, shooting a .30-378 Weatherby Magnum shot the first ever ten shot 10X with the first nine shot to 3.125 inches and the tenth flyer for an overall group of 4.375 inches. This record stood for over 30 years. Several variations of the .30-378 Weatherby Magnum were created by custom ammunition manufacturers, known as wildcatters. Hammond rifles and H-S Precision were among the several custom gun manufacturers who chambered and built rifles long before Weatherby got around to releasing the rifle to the public.[5]


In 1991 Shooting Times editor Layne Simpson met with Ed Weatherby, the son of Weatherby Inc. founder Roy Weatherby, and urged him to release the .30-378 Weatherby to the public as a standard chambering in the Mark V action.[3] In 1995 Layne Simpson built a rifle chambered for the .30-378 Weatherby and developed loading data and passed the data on to Norma Precision to provide a basis for their factory loaded ammunition.[5]



Design and specification

The .30-378 Weatherby Magnum utilizes the .378 Weatherby Magnum as a parent cartridge. The .378 Weatherby case was necked down to accept a .30 caliber (7.62 mm) bullet while preserving the double radii shoulder of the parent case. The resulting case held a greater volume than any previous commercial cartridge.


When the cartridge was created by Roy Weatherby in 1959 there were no commercial propellants that suited the cartridge. Even the standard slow burning powder of the time IMR4350 which was used in the Weatherby line of cartridges was too fast to take advantage of the case capacity of the .30-378 Weatherby cartridge. The result was that performance advantage that was created by the volume of the .30-378 Weatherby was minimal over the competing .300 Weatherby Magnum cartridge, which had been introduced 25 years earlier. However, when launching 30 gr (1.9 g) bullets which are extremely light for caliber as the Redstone Arsenal contract specified, required the use of relatively faster propellants. However, the hunting public and target shooters used 150 gr and heavier bullets, which require slower burning powders due to the extreme overbore nature of the cartridge.


.30-378 Weatherby Magnum - SAAMI compliant (2013-11-30) dimensions

SAAMI compliant .30-378 Weatherby Magnum cartridge schematic: All dimensions in inches [millimeters].

SAAMI recommends a 6 groove barrel with a twist rate of 10 in (250 mm). The recommended bore diameter is .3005 in (7.63 mm) and groove diameter is .3080 in (7.82 mm) with each groove having an arc width of .118 in (3.0 mm).


Performance


The .30-378 has a much larger body diameter than the .300 Weatherby Magnum.

The .30-378 Weatherby Magnum is one of the most accurate rifle cartridges. The cartridge held the world record for accuracy at 1,000 yards (910 m) for over thirty years. Given factory ammunition, Weatherby guarantees 1.5 MOA accuracy from their Weatherby Mark V action rifles and sub-MOA (.99 MOA or better) accuracy from their Range Certified line of rifles and Vanguard rifle lines. Careful handloading – checking for bullet jacket concentricity, weighing of brass and bullets, uniformity of case length and overall cartridge length, choice of components, seating of bullet – can all increase the accuracy of the cartridge.


The .30-378 Weatherby Magnum is a long range cartridge. It is the most powerful - in terms of energy - .30 caliber production cartridge available.[7] It is also the flattest-shooting .30 caliber factory ammunition available. Dependent on the ammunition chosen the cartridge has a maximum point blank range of over 400 yd (370 m). The cartridge retains enough energy for deer-sized game at distances over 1,000 yd (910 m), and has enough retained energy for elk and moose-sized game at a distance of over 700 yd (640 m).[4]


Sporting usage

Like all Weatherby rifle cartridges the .30-378 Weatherby was designed to be a high performance hunting cartridge. When released to the public, it is intended for the hunting of all the big game species of North America, Asia and Africa, save dangerous game. Since this is a small bore caliber, hunting with the .30-378 Weatherby Magnum should be restricted to game less than 2,000 lb (910 kg).


Soon after the .30-378 Weatherby was designed it was adopted by the benchrest shooting community. It became popular among the 1,000 yards (910 m) shooting communities such as the Original 1,000 yards (910 m) Club of Pennsylvania and went on to shoot world records at that distance.[3][5]


The Thompson Long Range shooting school uses the .30-378 Weatherby due to its high accuracy and reliable performance.[8]



Type Rifle

Place of origin USA

Production history

Designer Roy Weatherby

Designed 1959

Manufacturer Weatherby Inc.

Produced 1996 - Current

Variants .30-.378 Magnum, .30/378 Arch, .30/378 Weatherby

Specifications

Parent case .378 Weatherby Magnum

Bullet diameter .308 in (7.8 mm)

Neck diameter .337 in (8.6 mm)

Shoulder diameter .561 in (14.2 mm)

Base diameter .582 in (14.8 mm)

Rim diameter .579 in (14.7 mm)

Case length 2.913 in (74.0 mm)

Overall length 3.690 in (93.7 mm)

Case capacity 133 gr H2O (8.6 cm3)

Rifling twist 1-10"

Primer type Large rifle magnum

Maximum pressure 63,817 psi (440.00 MPa)

Ballistic performance

Bullet mass/type Velocity Energy

165 gr (11 g) BST 3,500 ft/s (1,100 m/s) 4,488 ft⋅lbf (6,085 J)

180 gr (12 g) BST 3,420 ft/s (1,040 m/s) 4,676 ft⋅lbf (6,340 J)

200 gr (13 g) Partition 3,160 ft/s (960 m/s) 4,434 ft⋅lbf (6,012 J)

Test barrel length: 26" (660 mm)

Source(s): Weatherby [1]

The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge.[2] The cartridge was developed in response to a US Army military contract in 1959. While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910 m) benchrest shooting.[3] It is currently the highest velocity .30 caliber factory ammunition available.



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Reloading Podcast 242 - Miguel from Freedom Seed Brass

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are Talking with Miguel from Freedom Seed Brass.

  1. Freedom Seed interview Freedom Seed Brass Promo Code 20 % discount using promo code Reloading Podcast

    1. History of

    2. Miguel’s personal reloading history

    3. Future plans

    4. Other questions

    5. EGW Chamber Checker

    6. support@freedomseedbrass.com

    7. https://www.instagram.com/freedomseedbrass/?hl=en

  2. Hello all... loading 44 mag and I'm needing some piece of mind with a question that's bugging me....Book says shot out of 8 inch barrel should be 1340 fps, when I shoot out of 18inch Henry big boy.  I get 1560 fps average. I fully understand faster velocity for barrel length. But my question is does it change pressure or is pressure consistent with lead data no matter barrel length?

  3. Winchester aging tool





Cartridge Corner Notes:.300 AAC Blackout


The .300 AAC Blackout (designated as the 300 BLK by the SAAMI[1] and 300 AAC Blackout by the C.I.P.[2]), also known as 7.62×35mm is a carbine cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Its purpose is to achieve ballistics similar to the 7.62×39mm Soviet cartridge in an AR-15 while using standard AR-15 magazines at their normal capacities. Care should be taken not to use 300 BLK ammunition in a rifle chambered for 7.62×40mm Wilson Tactical.[3]


History


While 5.56×45mm NATO has enjoyed widespread acceptance in military circles, the nature of the missions encountered by some special operations groups often demand a round that provides better performance than that available in the high-energy standard velocity rounds and subsonic performance greater than standard 9mm (the ubiquitous pistol round also commonly used in many SMGs).[4]


To satisfy this need, AAC developed the 300 AAC Blackout in cooperation with Remington Defense—under the direction of AAC's Research and Development Director Robert Silvers and with the support of the company's founder, Kevin Brittingham.[5][6]


Meeting these goals allowed the development team to negate many of the perceived drawbacks inherent to other large caliber cartridges used in the M4. Colt Firearms and other arms makers had previously chambered AR-pattern rifles and carbines in various .30 caliber rounds but encountered problems. In the case of the 7.62×39mm, its relatively severe case angle caused feeding issues unless specially modified AK-47 magazines were used, and even then results were unsatisfactory[citation needed] Modified bolts were also needed owing to its larger case head diameter. Rounds such as the 6.8 SPC and 6.5 Grendel had similar part-interchangeability issues but did allow for the use of the standard M4/M16 30-round magazine albeit with a reduced capacity.[7]



300 AAC Blackout rounds shot from a suppressed M4 Carbine.

Wildcat cartridges such as the .300 Whisper series addressed these issues, but their widespread use in single shot handguns and lack of industry standard cartridge dimension meant that a great number of the popular loads on both the supersonic and subsonic end of the spectrum were less than ideal in the AR pattern weapons. Many of these rounds required an excessively long overall cartridge length that would prohibit feeding in a STANAG magazine while using powder charges that were not compatible with the pressure requirements of the M4 carbine. This was particularly noticeable when using subsonic ammunition in conjunction with a suppressor as short stroking and excessive fouling would occur similar to that which was seen in the earliest variants of the M16 in Vietnam.[8]


By keeping the M4/M16 in mind as the primary host during load development the designers could work up a host of cartridges that not only satisfied the ballistic requirements set forth, but also ensured mechanical reliability with the fewest changes to the weapon itself—with only a simple barrel change necessary for complete conversion.[9]


Robert Silvers, director of research and development for AAC said, "We started development in 2009, but most of the work was done in 2010. A military customer wanted a way to be able to shoot .30-cal. bullets from an M4 platform while using normal bolts and magazines, and without losing the full 30-round capacity of standard magazines. They also wanted a source for ammunition made to their specs. We could not have just used .300-.221 or .300 Whisper because Remington is a SAAMI company, and will only load ammunition that is a SAAMI-standard cartridge. We had to take the .300-221 wildcat concept, determine the final specs for it, and submit it to SAAMI. We did that, and called it the .300 AAC Blackout (.300 BLK)."[10]


300 AAC BLACKOUT was approved by SAAMI on January 17, 2011.


On October 23, 2011, SSG Daniel Horner of the USAMU used 300 AAC Blackout to win his 4th USPSA Multi Gun National Championship.[11]


SPECS:
Type Rifle

Place of origin United States

Specifications

Parent case .221 Fireball/.223 Remington

Case type Rimless, bottleneck

Bullet diameter 0.308 in (7.8 mm)

Neck diameter 0.334 in (8.5 mm)

Base diameter 0.376 in (9.6 mm)

Rim diameter 0.378 in (9.6 mm)

Case length 1.368 in (34.7 mm)

Overall length 2.26 in (57 mm)

Rifling twist 1:7

Primer type Small rifle

Maximum pressure (SAAMI) 55,000

Maximum pressure (CIP) 53,000

Maximum CUP 52000 CUP

Ballistic performance

Bullet mass/type Velocity Energy

125 gr (8 g) OTM 2,215 ft/s (675 m/s) 1,360 ft⋅lbf (1,840 J)

220 gr (14 g) OTM 1,010 ft/s (310 m/s) 498 ft⋅lbf (675 J)

78 gr (5 g) Lehigh Defense CQ 2,800 ft/s (850 m/s) 1,358 ft⋅lbf (1,841 J)

90 gr (6 g) Barnes OTFB 2,550 ft/s (780 m/s) 1,300 ft⋅lbf (1,800 J)

110 gr (7 g) Hornady Black V-MAX 2,375 ft/s (724 m/s) 1,377 ft⋅lbf (1,867 J)

Test barrel length: 16 in



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Reloading Podcast 241 - pistol and rifle loads the same

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are answering the question, can I use the same load in my carbine/rifle as my handgun?

  1. Michael Meyn via Gmail

    Hello Gentlemen, I am getting ready to start loading for the wife’s BG38. Is there really much advantage to working up a ladder load for a short barreled revolver like the BG38. I ladder load everything else but am not sure if the short barrel will have enough accuracy to make it worth while? Your knowledgeable opinion would be appreciated!

  2. Craig Findlay sent via email
    Question.. 38 special/357 reloading

    Message: I shoot revolvers and lever action with .38 special and .357 magnum... any tips or thoughts on differences/similarities, and thoughts for reloading for both? any tips for one or the other or both? obviously, the barrel lengths have velocity effects, and maybe govern if the powder gets all burned or not... similar question regarding 30 carbine.. my M1 and Blackhawk....

thanks! love the show

  1. Rusty created a poll in RLPG

    Lead Free Barnes bullets in a 6.5CM what would you prefer for hunting mule deer? Lite and fast or heavier and slower. The solid bullets tend to need more velocity to expand properly and also seem to retain their weight better after impact. I am going to load all three options and see what my rifle likes and try to judge the impact energy somehow.

  2. Dave posted in TRRG CASE LUBE... Hornady One Shot or Redding Imperial?

  3. Joey Commesso posted in RLPG

    What's the best book to consult with for loading 45 lc. Lyman, Hornady and nosler aren't very helpful. I don't honestly know where to start. There has to be a load difference from a 45lc pistol and the Winchester cowboy action rifle right ? I'm loading for the rifle only.





Cartridge Corner Notes:


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Reloading Podcast 240 - More Questions

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are answering more questions.

  1. Jeff posted in TRRG: Does anybody use 4350 with 150 gr bullets in 308? None of my manuals show this combo. I haven’t loaded much 308 but I’m going to soon. I have a bunch of 4350 and sure wanted to use it.

  2. Mark posted in CB&BC: What lead do YOU use to cast 45-70 bullets?

    The reason I ask, I have been using up my "Hard Ball" / Lyman #2 equivalent, and have been noticing more leading in the barrel than normal. The bullets are sized .002 over bore diameter, and a buddy mentioned that my lead might be too hard for the lower velocity I'm pushing them at.

    Should I switch my 'slower' bullets to a 1:20 or Wheel Weight mix to see if that solves my leading issue?

    1. Rooster Jacket

  3. Hi team,
    I found your show a fortnight ago and I'm having a blast listening to your back catalogue.

    I'm in Australia so my options are limited for what I can own but I have and reload for the following: howas 1500 in rem 223
    Howa 1500SA in 204 Ruger
    Ruger m77 in 6.5x55
    Marlin 1984 in 357
    Silver pigeon O/U

    I reload very manually using a Redding t7 but I treat it like a single. I have a Lyman g6 for measuring powder but also have a uniflow (not that I use it).
    I'm time poor so normally split my reloads into prep and then loading states as it's unlikely I'll be able to do it all in one hit.

    My current workflow is
    Universal decap
    Wet tumble clean
    Resize
    Trim /deburr/ tidy primers (remove crimp if needed)
    Short wet tumble to remove the lube
    Store until ready
    Then prime with a hand primer
    Use the g6 and a funnel to fill 50 rounds - checking with a torch
    Seat projectiles
    Repeat for the next batch of 50
    What's the best reloading workflow to get the most out of a turret and waste less time without compromising?
    Thank you Paul B

    1. ACT Coleman Trim It II

    2. FA Plat series Case prep






Cartridge Corner Notes: .35 Remington

From Wikipedia, the free encyclopedia


The .35 Remington [8.9x49mm] is the only remaining cartridge from Remington's lineup of medium-power rimless cartridges still in commercial production. Introduced in 1906, it was originally chambered for the Remington Model 8 semi-automatic rifle in 1908.

It is also known as 9x49mm Browning and 9mm Don Gonzalo.

History

Over the years, the .35 Remington has been chambered in a variety of rifles by most firearms manufacturers, and continues in popularity today in the Marlin Model 336 lever-action. It is also a popular cartridge for single-shot hunting pistols like the Thompson/Center Contender and the Remington XP-100. For hunters looking for a good woods gun, (i.e., a medium power rifle with moderate recoil, for short to medium ranges) the .35 Remington is popular, taking second place to the .30-30 Winchester. It has a small but loyal following in the northeast and areas of the southern United States.

The cartridge uses a medium to heavy bullet and has moderate recoil based on a moderate pressure level of 33,500 CUP as set by SAAMI. The normal factory load consists of a 200 grain round-nosed bullet with a muzzle velocity of 2080 feet per second. This 200 grain bullet is nearly 18% heavier than the .30-30's 170 grain bullet, and has a 16% larger frontal area. This gives it a substantial increase in power over the .30-30, especially when used on larger game species.

Remington helped promote the advantage in power that the .35 Remington had over the .30-30 through a series of advertising campaigns in the early 1900s. One of their advertisements even publicized the ability of the .35 Remington to penetrate a 5/16″ steel plate, which the .30-30 Winchester could not do.

The .35 Remington is considered a fine round for deer, elk, black bear, and other medium and large game as long as ranges are reasonable. Hornady currently produces a .35 Remington load in their LEVERevolution line that features a rubber-tipped spitzer bullet which is safe to use in lever action or pump guns with tubular magazines.



.35 Remington

Munit07.jpg

Type   Rifle

Place of origin United States

Production history

Designer           Remington

Designed          1906

Manufacturer Remington

Specifications

Case type         Rimless, bottleneck

Bullet diameter .358 in (9.1 mm)

Neck diameter  .384 in (9.8 mm)

Shoulder diameter       .405 in (10.3 mm)

Base diameter   .458 in (11.6 mm)

Rim diameter .460 in (11.7 mm)

Case length     1.920 in (48.8 mm)

Overall length 2.525 in (64.1 mm)

Primer type     Large rifle

Ballistic performance

Bullet mass/type           Velocity             Energy

200 gr (13 g) Lead FN   2,084 ft/s (635 m/s)      1,929 ft⋅lbf (2,615 J)

180 gr (12 g) FN 2,122 ft/s (647 m/s)      1,800 ft⋅lbf (2,400 J)

200 gr (13 g) RN 2,071 ft/s (631 m/s)      1,905 ft⋅lbf (2,583 J)

200 gr (13 g) FTX (Hornady Flex Tip Expanding)[2]           2,225 ft/s (678 m/s)      2,198 ft⋅lbf (2,980 J)

Test barrel length: 24

Source(s): Accurate Powder [1]



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Reloading Podcast 239 - lead free bullets

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are discussing lead free bullets for hunting and other stuff.

  1. Mitchell posted in The Reloading Room: Loading some 22-250.

    I have some previously fired brass, which I initially full length resized, loaded, and fired.Now I’m looking at reloading them, and wanting to minimize the amount of working the brass, I was trying to back off the resize die and then working it in gradually to find the minimum resizing required.

What I found is that all of the cases will chamber in the  same rifle with no sizing at all. They are not even a little bit tight. Bolt closes on them the same as if they were resized.

The necks are also not as loose as I’d expect. I can actually put a new bullet in and there is enough tension to hold the bullet so I can seat and apply a slight crimp.

My question is, as long as the rounds chamber well is there any reason for me to size them at all? Also, I’m thinking I don’t even need to neck size, and just want to get other opinions.

  1. Chris McGee posted in RLPG
    Is anyone in here loading for California hunting? If so what bullets are you using? I’m having a hard time finding “lead free”

  2. Joey Commesso posted in RLPG:

    Is a 45 Colt or long Colt as some call it a .451 or .452 diameter bullet. The reloading book has me confused. I just want round or flat nosed Jacketed bullets.

  3. Marc Peck posted in RLPG:

    My dad got me thinking about powder storage the other day. We reload in his shed, it is not climate controlled, but we do have a little window AC unit to cool it in the summer.

    We are in southern Alabama, so the day to day temp swings are not that big, but it does get hot and humid. He got himself some sealed ammo cans to keep his powder out in the shed because they keep the humidity out when we throw in a bunch of desiccant packs. I told him it also need to be a stable temperature, but then got thinking and now have a couple of questions.

    The loaded ammo is kept in the shed after we make it and there seems to be no problem, so why would the powder in a can be a concern?

    Second would it actually be better to keep it out there because it will always be close to the temperature we are loading at?

    I thought of this because if I have my glasses on in the house, then go out and load in the summer, they will fog up if we have not been running the AC unit for a couple of hours first, so if I am taking out a can of powder that is as cold as it was in the house, is it going to draw moisture the same way and be worse than leaving it out there.

    I am posting this on my way out the door for work so I won't be able to answer any questions you guys might have until I get home.

  4. https://huntingtactical.com/

  5. https://annealeez.com/

  6. https://www.ampannealing.com/





Cartridge Corner Notes:.30-06 JDJ
Overview

The .30-06 JDJ is a modified .30-06 Springfield cartridge designed to be used in the Thompson Center Arms Contender single-shot pistol. The idea behind it is to replicate the ballistics of a .30-06 fired from a rifle in a Contender pistol.


Currently, the .30-06 JDJ is not offered by any manufacturers. Cases and bullets for it can be purchased from various companies for handloaders.


Description

Compared to a default .30-06 round, the .30-06 JDJ contains has a smaller neck that is at a 60-degree angle. However, the biggest difference is that the .30-06 JDJ has little body taper compared to the original .30-06 cartridge. This allows the .30-06 JDJ to hold an extra 5 grains of water (4.875 cm3) compared to the .30-06 Springfield, allowing one to put more gunpowder into the cartridge.


This round manages to replicate in a pistol the ballistics of a .30-06 round fired from a rifle. For example, a .30-06 JDJ cartridge with a 200-grain bullet fired from a custom Contender has a muzzle velocity of 2,504 ft/s (763 m/s), while a regular .30-06 cartridge with a 200-grain bullet with 55 grains of gunpowder has a velocity of 2,558 ft/s (780 m/s).


Specs:

Type Rifle

Place of origin United States

Production history

Designer J.D. Jones

Specifications

Parent case .30-06 Springfield

Case type Rimless, bottleneck

Bullet diameter .309 in (7.8 mm)

Neck diameter .335 in (8.5 mm)

Shoulder diameter .455 in (11.6 mm)

Base diameter .470 in (11.9 mm)

Rim diameter .457 in (11.6 mm)

Rim thickness .0433 in (1.10 mm)

Case length 2.457 in (62.4 mm)

Overall length 3.311 in (84.1 mm)

Primer type Small Rifle

Maximum pressure (around) 60,000 psi

Ballistic performance

Bullet mass/type Velocity Energy

125 gr (8 g) 3,197 ft/s (974 m/s) 2,785 ft⋅lbf (3,776 J)

150 gr (10 g) 2,930 ft/s (890 m/s) 2,860 ft⋅lbf (3,880 J)

180 gr (12 g) Speer 2,666 ft/s (813 m/s) 2,840 ft⋅lbf (3,850 J)

200 gr (13 g) Speer 2,504 ft/s (763 m/s) 2,785 ft⋅lbf (3,776 J)

Test barrel length: standard SSK-manufactured barrel

Source(s): Cartridges of the World



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Reloading Podcast 238 - more questions

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are answering some questions.

  1. Corey posted in RLP Not a reloading question but before i spend $2,200 on a vortex razor HD gen ii scope. Is there any other scope i should consider around the same price range?

  2. Bryan posted in Matter of Facts Podcast Group: Andrew and Matt, and anyone else with experience or input, I have a few questions regarding my recently acquired 300 blackout.

    First, it doesn’t want to cycle subsonic rounds. It seems like it is not getting enough gas to bring the bolt back far enough to pick up the next round. I have tried to run two different brands of subs through it with the same results. What do you think is causing the issue and what should be my next step to fix it?

    And secondly, the cases that are being ejected have a flat spot at the head of it. I’ll attach a picture for reference. Is this something I should be concerned about, or is it normal behavior?





Cartridge Corner Notes: .257 Weatherby Magnum


From Wikipedia, the free encyclopedia

The .257 Weatherby Magnum is a .257 Caliber (6.35 mm) belted bottlenecked cartridge. It is one of the original standard length magnums developed by shortening the .375 H&H Magnum case to approx. 2.5 in (64 mm). Of the cartridges developed by Roy Weatherby, the .257 Weatherby Magnum was known to have been his favorite, and the cartridge currently ranks third in Weatherby cartridge sales, after the .30-378 Weatherby Magnum and the .300 Weatherby Magnum.[2]


The .257 Weatherby Magnum is among one of the flattest shooting commercial cartridges. It is capable of firing a 115 gr (7.5 g) Nosler Ballistic Tip bullet at 3,400 ft/s (1,036 m/s) generating 2,952 ft⋅lbf (4,002 J) of energy[3] which is comparable to factory loadings of the .30-06 Springfield and the .35 Whelen in terms of energy.


Discrepancies between the metric and U.S. diameters of the bullet may cause some confusion. A .257 bullet has a metric bullet diameter of 6.53 mm. However, in Europe cartridge designation nomenclature for a large part relies on the bore diameter. As the bore diameter of the rifle is .250 inches this would make the .257 Weatherby Magnum a 6.35 mm caliber cartridge rather than a 6.5mm caliber cartridge.


Type of cartridge Rifle

Place of origin United States

Production history

Designer Roy Weatherby

Designed 1944

Manufacturer Weatherby

Produced 1948 – present

Specifications

Parent case .375 H&H Magnum

Bullet diameter .257 in (6.5 mm)

Neck diameter .283 in (7.2 mm)

Shoulder diameter .492 in (12.5 mm)

Base diameter .512 in (13.0 mm)

Rim diameter .5315 in (13.50 mm)

Rim thickness .051 in (1.3 mm)

Case length 2.545 in (64.6 mm)

Overall length 3.209 in (81.5 mm)

Case capacity 84 gr H2O (5.4 cm3)

Rifling twist 1 in 10 in (250 mm)

Primer type Large Rifle (magnum)

Maximum pressure 65,000 psi (450 MPa)

Ballistic performance

Bullet mass/type Velocity Energy

87 gr (6 g) SP………..3,825 ft/s (1,166 m/s) 2,826 ft⋅lbf (3,832 J)

100 gr (6 g) SP……….3,602 ft/s (1,098 m/s) 2,881 ft⋅lbf (3,906 J)

117 gr (8 g) BST..........3,400 ft/s (1,000 m/s) 2,952 ft⋅lbf (4,002 J)

120 gr (8 g) Partition...3,305 ft/s (1,007 m/s) 2,910 ft⋅lbf (3,950 J)

Test barrel length: 26

Source(s): Weatherby [1]


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Reloading Podcast 237 - SHOT Show 2019 review

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are talking about Mike’s trip to the SHOT show.






Cartridge Corner Notes: none this week


Reviews:



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Reloading Podcast 236 - Carl won the Dillon

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are finishing up the 650 setup. Thank you to all the companies who helped out.

  1. Dillon Precision

  2. Entirely Crimson

  3. Freedom Seed Brass





Cartridge Corner Notes:


Reviews:



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Patreons

  • New Patreons: Mitchell N.

  • Current Patreons: Aaron R, Aaron S, AJ, Alexander R, Anthony B, Mr. Anonymoose, bt213456, Carl K, KC3FHH, D MAC, David S, Drew, Eric S, Gerrid M, Gun Funny, Jason R, Joel L, John C, Bill N, Kalroy, Alexander R., Jason R. Ken C, Richard K, Brewer Bill, Mark H, Mark K,Vic T., Billy P., Matthew T., michael sp, Mike St, Mr. Attila the Hun, Patch Rat, N7FFL, Peter D, Richard C, Russ THE BIG BORE Russ H, T-Rex, Tim A, Tony S, Troy S, Winfred C



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Reloading Podcast 235 - And the winner of the Dillon is...

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are setting up the Patreon Giveaway Dillon, part I.

  1. Dillon 650 Set up.

  2. The winner is Carl K.





Cartridge Corner Notes:


Reviews:



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Reloading Podcast 234 - Dings and Squibs

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are covering squib removal, and how bad is a ding before you need to chuck the case.

  1. Hello I have been listening to the podcast and new to r loading. I have been reloading 300 Winchester magnum and 308 Winchester for my bolt guns. I have acquired a 5 gallon bucket each of 223 and 308 typically fired from AR platform rifles. My question is, while sorting out these cases I see many have small dents or dings on the case wall and some scratches on the necks, I assume from the ejecting cycle. Are these cases reloadable? At what point should I discard? Thanks Eric H. Via google voice

  2. Drew posted in RLP Group: What’s the best way to remove a squib?

  3. Hookom posted in RLPG: Another question for the group, I bought some Starline new brass for my new .243 bolt gun. Instead of measuring I'm just gonna run it through the WFT every time I resize. If you were going to trim every time, and it's .243 so there isn't much neck, would you trim at Max, Min or somewhere between. Max is 2.045" and Min is 2.035"

  4. Christopher posted in RLPG: Firearms related. Firing pin on my new .458 socom appears to be lightly piercing the primer every other round or so. Thoughts on sanding down the firing pin with some fine sandpaper. I was shooting a load that was at the bottom of the suggested load ladder. I also need some elevated scope rings oops.

  5. Chris posted in TRRG: Hi, I was pondering on whether or not to purchase Quick Load software. I know NOE bullet molds does a quick load spreadsheet for most of their molds and it seems like it would be a good investment, but I wanted to hear from people who own it.

    Also, I was wondering if it can give a rough estimate of muzzle pressure for different powders and barrel lengths for a specific cartridge. Thanks in advance to all that reply and have a wonderful day.

  6. American Insurgent





Cartridge Corner Notes: 7mm Mauser


The 7×57mm cartridge, also known as the 7mm Mauser, 7×57mm Mauser, 7mm Spanish Mauser in the USA and .275 Rigby in the United Kingdom is a first-generation smokeless powder rimless bottlenecked rifle cartridge. It was developed by Paul Mauser of the Mauser company in 1892 and adopted as a military cartridge by Spain in 1893. It was subsequently adopted by several other countries as the standard military cartridge. It is recognised as a milestone in modern cartridge design, and although now obsolete as a military cartridge, it remains in widespread international use as a sporting round. The 7×57mm has been described as "a ballistician's delight".


Many sporting rifles in this calibre were made by British riflemakers, among whom John Rigby was prominent; and, catering for the British preference for calibres to be designated in inches, Rigby called this chambering the .275 bore after the measurement of a 7 mm rifle's bore across the lands.


Optional Read:

7×57mmR (rimmed)


A rimmed cartridge was developed from the 7×57mm shortly after its introduction for use in break-action rifles and combination guns. A rimmed cartridge greatly simplifies the issues of designing an extractor, particularly in a combination gun or "drilling" which must also be designed to extract rimmed shotgun shells.


While various modern break-action and single-shot rifle and pistol designs have been developed that can reliably extract rimless cartridges, most of these date from the 1970s or later.


While the external dimensions of the two versions are nearly identical other than the rim, there are differences in the internal design. In particular, the cartridge web, the area immediately above the rim on the rimmed version or the rebate on the rimless version, is thinner in the rimmed case, and some authorities recommend limiting the rimmed cartridge to 41,000 CUP because of this.


Specifications

Parent case none

Case type Rimless, bottleneck

Bullet diameter 7.24 mm (0.285 in)

Neck diameter 8.25 mm (0.325 in)

Shoulder diameter 10.92 mm (0.430 in)

Base diameter 12.01 mm (0.473 in)

Rim diameter 12.10 mm (0.476 in)

Rim thickness 1.15 mm (0.045 in)

Case length 57.00 mm (2.244 in)

Overall length 78.00 mm (3.071 in)

Case capacity 3.90 cm3 (60.2 gr H2O)

Rifling twist 220 mm (1 in 8.66 in)

Primer type Large rifle

Maximum pressure (C.I.P.) 390.00 MPa (56,565 psi)

Maximum pressure (SAAMI) 351.63 MPa (51,000 psi)


Ballistic performance

Bullet mass/type Velocity Energy

8.0 g (123 gr) RWS KS 900.0 m/s (2,953 ft/s) 3,240 J (2,390 ft⋅lbf)

10.5 g (162 gr) RWS ID Classic 800.0 m/s (2,625 ft/s) 3,360 J (2,480 ft⋅lbf)

11.2 g (173 gr) RWS HMK 770.0 m/s (2,526 ft/s) 3,320 J (2,450 ft⋅lbf)

11.2 g (173 gr) Factory Military 700.0 m/s (2,297 ft/s) 2,746 J (2,025 ft⋅lbf)



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Patreons

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Reloading Podcast 233 - pop goes the pin

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are answering more questions.

  1. Ernie posted in Reloading Podcast Group: Which universal decapper are you guys using besides the lee?
    .
    Kind of annoyed with my lee universal decapping die. Prior to bending the pin, no matter how tight I tightened it, it would still push up on some crimped primers. Replaced the pin and it’s still doing it. Now I think I’ve just gorilla tightened it and when it slips next I think I’ll have to replace the whole shot.

  2. Jim Rauls posted in RLP: I know it is not officially recommended to shoot powder coated bullets out of a suppressor. That being said , powder coated are my go to for reloading and I’m gearing up to suppress a lever action 44. Anyone here have any advice for me? How bout a show on loading for suppressor applications?

  3. Joe posted in RLP: How often are you supposed to clean reloading dies for both Rifle and Pistol?

  4. Paul posted in RLP: What ballistic software what do you use? Does it link to your weather meter? If so what weather meter do you use? I am using a Weatherflow weather meter, it is bluetooth compatible I use a tablet instead of a smart phone for my ballistic software.


Cartridge Corner Notes:The .444 Marlin (10.9x57mm) is a rifle cartridge designed in 1964 by Marlin Firearms and Remington Arms. It was designed to fill in a gap left by the older .45-70 when that cartridge was not available in any new lever action rifles; at the time it was the largest lever-action cartridge available.[1] The .444 resembles a lengthened .44 Magnum and provides a significant increase in velocity. It is usually used in the Marlin 444 lever-action rifle.


The history of the cartridge


In the mid-1960s the .45-70 had all but disappeared from the American marketplace. There was no big-bore cartridge available in a lever-action rifle in current production, so Marlin decided to create a new cartridge to fill this empty niche. They created what is essentially an elongated version of the .44 Magnum by making it nearly an inch longer to give it power similar to the .45-70.[3] The case Marlin created is very similar to a rimmed .303 British trimmed and necked-up to work with .429 bullets.[4]


Some hunters initially claimed some trouble because the .444 was frequently hand-loaded using existing .429 bullets that were designed for use at handgun velocities. Remington has stated in letter and email, when asked, that their 240gr .444 bullet was not the same as a .44 magnum handgun bullet.[3] However, diligent end users and DIY ballisticians have conducted detailed tests of projectiles and found that the bullet is identical; indicating that those in contact with Remington, or Remington themselves, spoke in error. The 240grain Remington Soft Point, in both bulk bullet and factory loads, is now reputed to be among to best expanding jacketed bullets for whitetail class game.


Despite the litany of false rumors about the 240 grain bullets, the rifle gained additional popularity as additional bullets were designed for its higher velocity.[5]


In 1972 Marlin re-introduced the .45-70 to their lever-action line, expanding their big-bore offerings.[3] Sales of the .444 are now overshadowed by .45-70 cartridge which has enjoyed a resurgence in popularity due to interest in cowboy action shooting. This quick action and powerful stopping power has been shown to be an efficient and useful hunting rifle for experienced shooters.


The specs are in the show notes if you desire to read them, as well as a link to the article on Wikipedia:


Type Rifle

Place of origin United States

Production history

Designer Marlin, Remington Arms

Designed 1964

Manufacturer Remington

Specifications

Bullet diameter .429 in (10.9 mm)

Neck diameter .453 in (11.5 mm)

Base diameter .4706 in (11.95 mm)

Rim diameter .514 in (13.1 mm)

Rim thickness .063 in (1.6 mm)

Case length 2.225 in (56.5 mm)

Overall length 2.55 in (65 mm)

Rifling twist 1-38" (Microgroove) or 1-20" (Ballard cut)

Primer type large rifle

Ballistic performance

Bullet mass/type Velocity Energy

240 gr (16 g) SP 2,350 ft/s (720 m/s) 2,942 ft⋅lbf (3,989 J)

265 gr (17 g) FP 2,200 ft/s (670 m/s) 2,849 ft⋅lbf (3,863 J)

300 gr (19 g) HP 2,000 ft/s (610 m/s) 2,665 ft⋅lbf (3,613 J)

Test barrel length: 24 in

Source(s): Hornady [1] / Remington [2]


https://en.wikipedia.org/wiki/.444_Marlin



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Reloading Podcast 232 - You spent how much on a funnel

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are answering questions about funnels and marking brass.

  1. Shaun C. emailed from the Land Down Under: I’ve been listening to your podcast for a while now and I’m really enjoying it.

    I’m relatively new to reloading, currently reload for 30-06 and 17 Hornet, and waiting to test out some .223 loads (all for hunting)

    Even though I have achieved some great results with my 30-06 & 17 hornet loads, I still have a bit more faith in factory ammo over my handloads when it comes to sighting in a new rifle.

    Can I have your thoughts/opinions, when buying a new rifle do you load up 20 or so rounds of minimum load and use that to sight in then do some load testing? Or do you prefer to sight in using factory?

    Thanks

  2. Ray posted in Reloading Podcast Group: I’m new to reloading and I am having some trouble. When I’m trying to reload my 7 mag and I seat the bullet I can spin the bullet in the case and push it down into it. I have tried different settings and nothing changes.

  3. Ernie K. posted in Reloading Podcast Group: Is there any good way to mark brass so you know how many times it’s been loaded? Was thinking a light punch on the headstamp.

  4. Greg H. posted in Reloading Podcast Group: I am fed up with the plastic fit nothing funnels. What funnels are you using. I have the standard ol rcbs funnel and their one with all the adaptors. Powders like CFE223 go everywhere with these.

  5. Kent A. posted in The Reloading Room: What’s the best way to get Imperial Sizing Wax off of my cases?

  6. Go no Go Primer gauges

  7. Hardcore Funnels

  8. Area 419 funnels

  9. Satern Barrels Funnels

  10. Mighty Armory

  11. Entirely Crimson

  12. Freedom Seed Brass

  13. Buckeye Targets


Cartridge Corner Notes:45-70 Gov’t The new cartridge was completely identified as the .45-70-405, but was also referred to as the ".45 Government" cartridge in commercial catalogs. The nomenclature of the time was based on three properties of the cartridge:

  • .45: nominal diameter of bullet, measured in decimal inches, i.e., 0.458 inches (11.63 mm);

  • 70: weight of black powder, measured in grains, i.e., 70 grains (4.56 g);

  • 405: weight of lead bullet, measured in grains, i.e., 405 grains (26.2 g).

The minimum acceptable accuracy of the .45-70 from the 1873 Springfield was approximately 4 inches (100 mm) at 100 yards (91 m), however, the heavy, slow-moving bullet had a "rainbow" trajectory, the bullet dropping multiple yards (meters) at ranges greater than a few hundred yards (meters). A skilled shooter, firing at known range, could consistently hit targets that were 6 × 6 feet (1.8 m) at 600 yards (550 m)—the Army standard target. It was a skill valuable mainly in mass or volley fire, since accurate aimed fire on a man-sized target was effective only to about 300 yards (270 m).

After the Sandy Hook tests of 1879, a new variation of the .45-70 cartridge was produced: the .45-70-500, which fired a heavier 500 grain (32.5 g) bullet. The heavier 500-grain (32 g) bullet produced significantly superior ballistics, and could reach ranges of 3,350 yards (3,120 m), which were beyond the maximum range of the .45-70-405. While the effective range of the .45-70 on individual targets was limited to about 1,000 yards (915 m) with either load, the heavier bullet would produce lethal injuries at 3,500 yards (3,200 m). At those ranges, the bullets struck point-first at a roughly 30 degree angle, penetrating three 1-inch (2.5 cm) thick oak boards, and then traveling to a depth of 8 inches (20 cm) into the sand of the Sandy Hook beach. It was hoped the longer range of the .45-70-500 would allow effective volley fire at ranges beyond those normally expected of infantry fire.[5]


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Patreons

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Reloading Podcast 231 - Loads of Bacon

Hello, and welcome to the Reloading Podcast here on the Firearms Radio Network.  

Tonight the guys are talking with Loads Of Bacon, You Tuber and creator of The Reloader’s Network.

  1. https://thereloadersnetwork.com/

  2. Loads Of Bacon You Tube channel





Cartridge Corner Notes: 22 Varmiter or 22-250 Remington, a wildcat round that went legit. Originally designed in the 1930’s the 22 Varmiter was to be the 220 Swift but the designer Capt. Wotkyn was shot down by Winchester but used the name 220 swift on Winchesters 6MM Navy Case necked down and shortened to 2.20” and Necked down to .224. Wotkyn, not giving up worked with noted handloader, J. Bushnell Smith and Gunsmith Jerry Gebby. Using the Savage .250-3000 case Wotkyn orginaly wanted to use the three of them perfected the 22 Varminter  going so far as to copyright the name. Phil Sharpe noted gun writer and ballistician became involved when Gebby built him a rifle in the cartridge. Sharpe was working with the 220 Swift at that time and noted that the Varmiter was far more flexible than the 220 Swift. The Swift need to be loaded hot to reach it potential, whereas the Varmiter was flexible in loading from 1500 fps to 4500 fps. Plus case stretching was held to a minimum along with throat wear, due to it’s 28 degree shoulder. Barrel life was greater again due to it steep shoulder angle, the 220 Swift was having problems in those days with shot out barrels. His comments that the Varmiter was a perfect balance of primer, bullet neck length, body taper, load density and shoulder angle.

Accuracy was excellent and Phil pronounced it as the most outstanding cartridge development of the past decade. He was looking for it to become a factory cartridge. He had a long wait it wasn’t until 1963 when Browning Firearms brought out the 22-250.  John Amber in the 1964 Gun Digest said that Browning was asking for trouble with the release of the 22-250! ( John Amber was a friend of mine, during the early days of my shooting hobby)

Finally in 1965 Remington made the stepchild a legitimate cartridge. Today it’s not the fastest 22 centerfire or the most accurate but given the amount of ammo that is sold the 22-250 beats the 220 Swift and the 22 PPC in all factory guns.

Reloaders have lots of choices in bullets and powders, little 35 grain pills to 63 grain round nose for factory barrels. Standard loading of a 55 grain bullet will get you to 3600 FPS to 3800 FPS, take it down a notch to a 45 grain load and you will see 4000 FPS. Powders IMR’s 3031, 4895, 4320, 4064, 4350. ( Once saw a handloader dip his 22-250 case in a cup of IMR 4350 filling right to the top of the case then seat his bullet. Hodgden Ball powders Like H-380 named after Bruce Hodgdon’s load of 38.0 grains behind a 55 grain bullet, H414, BLC-2, and his IMR powders.

Limitations of the 22-250 is barrel twist as 63 grain semi pointed bullets are as heavy as you can go, unless you can get a faster twist barrel. Standard twist is 1-14”, a 1-12” or even a 1-10” twist might be better with bullets we have now.

My Loadings have been for Prairie Dogs so I don’t worry too much about twist rate. I shoot mostly 55 grain flat base bullets and 50 grain boat tails. Some 55 grain boat tails are too long for 1-14” twist.

Loads Please note most if not all are over maximum book

WW case       WLR primer shoulder set back .001 in re-sizing

WW760 40.1 grains, 55 grain Hornady spire point   Velocity is 3800 26” barrel

IMR 4320 34.5 grains, 55 grain Sierra Blitz King Velocity 3650     26” barrel

H380 42 grains 50 grain, Hornady plastic tip                         Velocity 4000 fps  26” barrel

Barrel Life

Prairie dog shooting I may go thru 200 to 500 rounds a day most barrels only last me 2 years at this rate.

I don’t shoot these rifles except for hunting and to check sighting in.

I look at barrels as a cost of the hunt so every couple of years a 600 to 800 cost is not bad.  Thanks to Paul Nelson for the information.


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