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Carrier made with 8620 Steel and bolt made from 9310 Vac-Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels. The nitride coating is the strongest plate available, it's the same protective finish that's used in gun barrels and CNC tool protection. If you're looking for a bolt carrier that's going to hold up against the roughest conditions, then this bolt carrier group is the one for you.

  • AR15 and M16 Compatible
  • 8620 Steel Carrier Nitride Coated
  • 9310 Vac-Arc Steel Bolt Nitride Coated
  • 4340 Steel Cam Pin Nitride Coated
  • 4140 Steel Gas Key Nitride Coated
  • Tool Steel Extractor Nitride Coated
  • Shot Peened
  • MPI (Magnetic Particle Inspected)
  • HPT (High Pressure Tested)
  • Gas key staked to Mil-Spec Standards
  • Grade 8 Hardened Fasteners
  • Extractor Insert with upgraded Crane O-Ring
  • Power Spring Kit
  • Bolt engraved with MPI/9310

PRIME WEAPONRY - M16 BOLT CARRIER GROUP NITRIDE

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This item is currently unavailable for backorder.

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

Finish: Matte Black, Nitride