This AR-10 complete .243 rifle length upper has a 20" 416R Stainless Steel Heavy barrel, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a AR10 bolt carrier group, a flash hider, and a side charging handle. This 243 upper is compatible with 1st gen DPMS low profile lowers.
BCG Included
