American Rifle Company M-Brace Mount Level Black One Size. Extremely strong and light-weight CNC machined from 7075 aluminum alloy and anodized for excellent corrosion resistance and a matte-black finish. Does not work with M-Brace Scope Rings. Specifications for American Rifle Company M-Brace Mount Level: Manufacturer: American Rifle Company Color: Black Fabric/Material: 7075 Aluminum Features of American Rifle Company M-Brace Mount Level Compatible with American Rifle Company M-Brace Mount Package Contents: American Rifle Company M-Brace Mount Level Level Mounting Screw American Rifle Company 001-10300: M-Brace Mount Level Black One Size