The Sadlak Airborne Scope Mount is 20% lighter than the standard steel mount and features a precision Mil-Spec Picatinny rail and see-through U-Channel for Iron sight use. The rail is hardened to 45-50 Rc for a tough and strong mounting platform. Other features include a 5 degree case deflector angle milled on the underside of rail and the proven Brookfield-type 3-point contact design. Includes all mounting hardware, fasteners, and hex wrenches and detailed instructions