This Bear Creek Arsenal AR-15 Complete 5.56 rifle has a 20″ heavy barrel with a parkerized finish, and features a 1:7 twist, with a rifle length gas system. It includes the new 15″ MLOK rail, a M4 flat-top billet upper receiver, a BCA bolt carrier group, flash hider, a side charging (gen 2) handle (patent protected), and forged AR-15 multicaliber lower.
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