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Barrel Extension Pin

Barrel Extension Pin

  • 117


If you are adventurous and are installing your own Barrel Extension, this is the last little piece that you need. This pin helps to orient the barrel into the upper receiver, aligning the feed ramps with the feed ramps in the upper. This is critical for M4 feedramps.

  • Hardened metal
  • Chamfered ends for ease of installation
  • Mil-spec
  • Weight: Two pixies
  • Dimensions: Ø3.19 × 4.65mm long

You get:

  • One Barrel Extension Pin

    Compatible with:

    • All mil-spec barrel extensions 
    • All mil-spec uppers (standard and M4 profile)

    Installation Difficulty:

    Tools required: Hammer or press to install the pin into the barrel extension

    Installation notes: Take your time and drive 'er home squarely in the right position.