MPI Nickel Boron AR-15 BCG — M16 Cut | .223/5.56Overview A fully MIL SPEC Nickel Boron coated AR 15 Bolt Carrier Group built to run hard, clean easy, and last. M16 cut carrier, Carpenter 158 steel bolt, magnetic particle inspected everything correct, nothing cut short. 100% USA made. FRT Compatible: M16 cut carrier is required for reliable function with the Partisan Disruptor FRT. This BCG meets that requirement. If you're building an FRT platform, see our Disruptor + HFRT Buffer Bundle or add this
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