AR15 .458 SOCOM 16" Upper Receiver SOCOM .458 AR15 Upper (3)

This AR-15 complete .458 SOCOM rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:14 twist rate, with a carbine 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 .458 SOCOM upper is compatible with any mil-spec AR-15 lower.