Delton ar-15 complete lower receiver w/fixed stock 5.56mm FEATURES-Forged 7075 T6 aluminum that has been hardcoat anodized-Complete lower receiver includes all internal parts-Buttstock is completely assembled Other Features: Includes all internal parts includes a2 fixed stock del-ton rifles and components are all made in the u.S.A.Aluminum lower receiver, stock is a grey color not a true black.