SALE! AR15 10.5" 300 BLK Upper Receiver

This AR-15 complete .300 Blackout pistol length upper has a 10.5" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a pistol length gas system. It includes the MLOK split rail, an M4 flat-top 4150 Chrome Moly Vanadium upper receiver, a bolt carrier group, a micro flash hider, and a right-side charging (Gen2) handle (patent protected). This 7.62x39 upper is compatible with any mil-spec AR-15 lower.