This AR-15 Complete 5.56 pistol length upper has a 11.5" M4 with a parkerized finish, and features a 1:7 twist, with a carbine length gas system. It has a 9.5" MLOK rail, a M4 flat-top forged upper receiver, a bolt carrier group, flash hider, and a rear charging handle. This 5.56 upper is compatible with any mil-spec AR-15 lower.
BCG Included
