This BCA AR-15 complete 7.62×39 rifle length upper has a 16″ 416R stainless steel heavy barrel, and features a 1:10 twist rate, with a carbine length gas system. It includes a 15″ MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 7.62×39 upper is compatible with any mil-spec AR-15 lower.
This upper features a 7.62×39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt.
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