NSPEC Innovations AR15 5.56 24" Rifle Length Rear Charging Handle Upper Receiver

This AR-15 complete 5.56 NATO rifle length upper has a 24" heavy barrel with a 416R Stainless Steel finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a bolt carrier group, a flash hider, and a rear charging handle. This 5.56 NATO upper is compatible with any mil-spec AR-15 lower.