AR10 20" Upper Receiver .243 Winchester AR10 Complete Upper .243-Winchester (3)

The AR-10 Complete Upper Assembly .243 Winchester has a 20" Black Nitride Heavy barrel, a rifle length gas system, and a 1:8 twist rate. The barrel is chambered in .243 and is Mil-Spec DPMS Low Profile. The assembly includes a 15" MLOK Split Rail, a forged upper receiver with forward assist, bolt carrier group, flash hider and a rear charging handle.