AIM BCGX NiB Bolt Carrier Group .223/5.56 9310 MPI

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$198.75

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Info

Description

AIM AR/M16 BCG-X .223/5.56/.300BLACKOUT caliber 9310 MPI Nitride Bolt NiB Carrier Groups. Features a Black Nitrided, Shot peened, MPI (Magnetic Particle Inspected), 9310 Tool Steel Bolt; 8620 tool steel, enhanced radius cut, Nickel Boron coated M16 carrier; Properly staked, 4140 Machined, Black Nitrided Gas Key fastened with Hardened Grade 8 Fasteners. Extractor includes o-ring.

Carrier

  • Nickel Boron Treated
  • M16 style (Auto)
  • Machined from 8620 tool steel
  • Heat treated to military specifications
Bolt
  • Black Nitrided
  • Machined from 9310 tool steel
  • Heat treated to military specifications
  • Shot Peened
  • Ground to meet military required tolerances
  • MPI (Mag Particle Inspected)
Gas Key
  • Black Nitrided
  • Machined from 4140
  • Heat treated to military specifications
Extractor
  • Black Nitrided
  • Machined from 4140
  • Heat treated to military specifications
  • Shot peened
Firing Pin
  • Machined from 8640 tool steel
  • Heat treated to military specifications
  • Ground to meet military required tolerances
  • Coated with .0002”-.0003” of hard chrome per MIL-STD-171 1.2.2.2
Cam Pin
  • Black Nitrided
  • Machined from 4340
  • Quench and temper heat treat
  • Ground to meet military required tolerances