This BCA AR-15 complete rifle length upper has a 10.5" parkerized Heavy barrel, and features a 1:20 twist rate, with a carbine length gas system. It includes a 9.5" MLOK Rail, an M4 flat-top billet upper receiver, a BCA AR15 bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected).
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https://www.usedguns.com/Item/Details/BEAR_CREEK_ARSENAL_PISTOL_BCA15_/00F2EE9521B14AA28DC9849A21C8C477

dv1035107

FREE BOX OF 5.56