Complete, ready to bolt on your lower Bushmaster AR 15 lightweight upper
New lightweight upper with 16"barrel in 5.56 NATO and a 1/8 twist. Comes with a shaved front sight, quad rail and standard handguards, lightweight barrel, A2 flash hider, fwd assist and ejection port. Added a new charging handle and bolt carrier group ready to bolt on your lower. Perfect for a red dot or rifle scope.