CMC Triggers 6mm ARC AR-15 Bolt Carrier Group

Enhance your AR-15's performance with the CMC Triggers 6mm ARC Bolt Carrier Group. Made from case-hardened 8620 and 9310 steel, this bolt carrier group features a black nitride finish and enlarged forward ports for optimized suppressor use. Designed to reduce carrier tilt, it ensures reliable function with fewer contact points to minimize friction. CNC precision machining and shot peening improve durability and ease of maintenance. Includes a hardened 4340 cam pin, Mil-Spec 8740 steel firing pin, and is MPI and HPT tested for quality assurance.