Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group

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MPN BCG-15
Description
Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier GroupThis Bear Creek Arsenal BCG features a full mass M16 profile bolt carrier machined from 8620 steel and finished with Salt Bath Nitriding. The gas key is properly staked and the carrier does have forward assist serrations. The 5.56 NATO bolt assembly is made of 9310 steel and features a manganese phosphate finish. Every BCG goes through magnetic particle inspection (MPI).Specs: Bolt Finish: Manganese PhosphateBolt Material: 9310 SteelCaliber: 5.56 NATO (will also work with .223 and 300 BLK)Carrier Finish: Salt Bath NitrideCarrier Material: 9310 Steel CarrierCarrier Style: M16 Bolt CarrierMagnetic Particle InspectedPlatform: AR 15