CMC Triggers Suppressor Optimized Enhanced AR-15 Bolt Carrier Group 6mm ARC Nitride

Overview

The CMC Triggers Suppressor Optimized Enhanced Bolt Carrier Group is designed for 6mm ARC AR-15 platforms and optimized for both suppressed and unsuppressed use. The carrier is machined from case-hardened 8620 steel with a black nitride finish, featuring a flared rear to reduce carrier tilt and strategically enlarged forward ports to vent excess overpressure. The bolt is constructed from 9310 case-hardened, shot-peened steel with a precision-ground trumpet area behind the gas rings to facilitate cleaning, and the assembly includes a hardened 4340 cam pin, an 8740 steel firing pin, a mil-spec extractor spring with O-ring, and undergoes MPI and HPT testing.

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