AR15 .22 ARC 18" Upper Receiver Bolt Action

This AR-15 complete .22 ARC rifle length upper has a 18" heavy barrel with a black nitride finish, and features a 1:7 twist rate, with a rifle length gas system. It includes the V2 15" MLOK split rail, an M4 flat-top forged upper receiver, a bolt carrier group, a flash hider, and a bolt action style charging handle. This .22 ARC upper is compatible with any mil-spec AR-15 lower.