AR15 16" Upper Receiver | 6.8 SPC II | Carbine Length Gas System

*30% less weight with the V2 split rail than regular MLOK This AR-15 complete 6.8 SPC rifle length upper has a 16" M4 barrel with a parkerized finish, and features a 1:10 twist rate, with a carbine length gas system. It includes the V2 15" MLOK split rail, an M4 flat-top 7075 forged aluminum upper receiver, a bolt carrier group, and a flash hider. This 6.8 SPC upper is compatible with any mil-spec AR-15 lower.