Brownells BRN AR-308/M16 7.62X39MM BOLT CARRIER GROUP, MPI, NITRIDE AZT-M4-762-ST-002

The Brownells M16 7.62x39 Bolt Carrier Group offers AR-15 builders building a unique rifle chambered in the 7.62x39 cartridge with the final necessary component needed to get their gun running right.

The Brownells M16 7.62x39 Bolt Carrier Group features a bolt head that is fully machined from solid 9310 steel, which is then completed with a heat treatment and shot peening. The carrier is built using 8620 hardened steel.

• Features torqued and staked gas keys
• Extractor assembled with rubber insert and spring
• Checked thoroughly with magnetic-particle inspection
• Increased corrosion resistance with black-nitride finish

The Brownells M16 7.62x39 Bolt Carrier Group comes complete with a firing pin, cam pin and firing pin retaining pin, along with the bolt carrier, bolt and gas key.