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Complete M16 Bolt Carrier Group:

  • Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin
  • Every Bolt is Magnetic Particle Inspected (MPI)
  • The Bolt is machined from Carpenter 158 steel
  • Following machining, the Bolt is heat treated and shot peened
  • Installed extractor includes red o-ring with spring
  • M16 Bolt Carrier is machined from 8620 steel and hardened
  • Interior of Bolt Carrier Carrier Key & Bolt Carrier are chrome lined on the M16 Phosphate Bolt Carrier Group only
  • M16 Bolt Carrier will function in semi-auto or full-auto AR-15/M16
  • Gas Key Screws are properly torqued and staked
  • Bolt and Bolt Carrier feature a matte black mil-spec finish


AR-15, Issue:11, Page:011
Big Book Catalog, Issue:72, Page:017
Sinclair, Issue:5B, Page:248

SPECS: Bolt – Carpenter 158 steel, Magnetic Particle Inspected, High Pressure Tested. Carrier – 8620 hardened steel, M16.  Matte black phosphate finish.

BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP

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This item is currently unavailable for backorder.

Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout

Finish: Matte Black, Phosphate

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