This BCA AR-10 complete .308 rifle length upper has a 16″ parkerized Heavy barrel, and features a 1:10 twist rate, with a mid-length gas system. It includes a 15″ MLOK split rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a left side charging (Gen 2) handle (patent pending). This 308 upper is compatible with 1st gen DPMS low profile lowers.
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