AR15 18" Upper Receiver .450 Bushmaster
AR15 18" Upper Receiver .450 Bushmaster
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 a 15" MLOK rail, an M4 Billet upper receiver, a bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This .450 Bushmaster upper is compatible with any mil-spec AR-15 lower. This has the new handguard.
BCG Included
