*30% less weight with V2 split rail than regular MLOK !
This AR-15 complete .450 Bushmaster Bolt Action Style rifle length upper has a 18" heavy barrel with a parkerized finish, and features a 1:24 twist rate. It includes the V2 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a bolt carrier group, the custom muzzle brake (PATENT PENDING),and a right-side bolt action style charger. This 450 Bushmaster upper is compatible with any mil-spec AR-15 lower.
