*30% less weight with V2 split rail than regular MLOK !
This AR-15 complete .450 Bushmaster rifle length upper has a 18" heavy barrel with a parkerized finish, and features a 1:24 twist rate, with a mid-length gas system. It includes the V2 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a bolt carrier group, a flash hider, and a rear charging handle. This .450 Bushmaster upper is compatible with any mil-spec AR-15 lower.
Color Choice: Flat Dark Earth (FDe), Olive Drab Green (ODG), Tungsten Cerakote, Midnight Bronze Cerakote
