This AR-10 complete .308 Sporter rifle length upper has a 20" parkerized straight fluted Heavy barrel, and features a 1:10 twist rate, with a rifle length gas system. It includes a 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a AR10 bolt carrier group, a flash hider, and a rear charging handle. This slick side has no forward assist or dust cover. This .308 upper is compatible with 1st gen DPMS low profile lowers.
