AR-15 Podcast - Builders Series- Assembling the Upper Receiver

Welcome to another episode of the AR-15 Podcast. On this episode, by popular request, we continue our newest builders series. This week we focus on assembling the Upper Receiver.

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Assembling the Upper Receiver

  • Considerations
    • Materials
      • Grades of Aluminum
      • Coatings
    • Construction
      • Forged
      • Billet
    • Form
      • A1
      • A2
      • A3 (flat top)
  • Preparing the upper
    • Inspecting
    • Cleaning
    • Honing
      • Brownells - AR-15/M16 Upper Receiver Lapping Tool
  • Installing the upper receiver components
    • Is there an order
    • Protecting the lower
    • Interesting solutions and shortcuts 
  • Installing the Barrel
    • Anti-seize 
    • Loctite
    • Torque Specifications
      • Minimum Torque: 35 ft/lbs
      • C = (D(A+B))/A (A=length of wrench from center of handle to center of drive; B=length from center of drive to center of extension; C=wrench setting; D=desired torque applied to fastener)
    • Alignment (indexing pin/and cutout)
    • Alignment of the barrel nut.
    •  Brownells - Barrel Nut Alignment Gauge
  • Gas Block/Gas Tube
    • Aligning the Gas Block
    • How to secure the Block
    • Drifting in the Roll Pins
  • Handguards
    • Barrel Nut
    • Material
    • Features
    • Accessory attachment points 
  • Bolt Carrier Group   
    • Proper Gas Key installation
    • Materials
    • Coating
    • Low mass/proprietary
  • Muzzle Device
    • Washer
    • Indexing
       

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