Grab a high-quality AR10 BCG (Bolt Carrier Group) for your AR-10 rifle! Our AR-10 BCGs are manufactured with the finest 9310 Steel and nitride for enhanced durability and performance. Compatible with .308, 6.5 Creedmoor, .243 Winchester, and .22-250. 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. Shop our AR-10 barrels or AR-10 lowers to finish out your build.