AR15 24" Upper Receiver 6MM ARC
AR15 24" Upper Receiver 6MM ARC
This AR-15 complete 6mm Arc upper has a 24" heavy contour barrel with a 416R stainless finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a bolt carrier group, a flash hider, and a rear charging handle. This 6mm Arc upper is compatible with any mil-spec AR-15 lower.
