AR-15 Bolt Carrier Group

Shop for a high-quality AR-15 BCG (bolt carrier group) from Bear Creek Arsenal! Our M16 bolt carrier groups (BCG) are full-auto grade and magnetically particle inspected (MPI) to insure proper function with your mil-spec AR-15 rifle. Bolts and bolt carriers are made with 9310 Steel and have a black nitride finish, we also have Nickel Boron BCGs that will take your build to the next level. Our AR-15 BCG selections are available in 5.56 NATO, 7.62x39, 6.5 Grendel, and more calibers! All Bear Creek Arsenal bolt carrier groups come with a bolt, bolt carrier, staked gas pin, firing pin, firing pin retainer pin, and bolt cam pin. Manufactured in Sanford, NC!

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