This Bear Creek Arsenal HUNTMASTER side charging .300 Winchester Magnum Complete Upper has an 24" light-weight barrel with a parkerized finish, and features a 1:10 twist, with a rifle length gas system. This .300 Win Mag upper includes the new 15" mlok split rail, a billet side charging upper receiver, a BC-8 Bolt Carrier Group, Flash Hider, Gen-2 side charging handle, and will work on the BC-8 lower assembly.
BCG Included
