This “Picatinny” spec. one piece mount is machined from 4142 prehardened (28-32Rc) steel. With its integral recoil lug, a Mil-Std-1913 slot pattern for more mounting options and a 30 MOA. Forward cant for extended range. Uses Badger’s Maximized rings or any “Picatinny” compatible ring. Mil. Spec. Black Parkerizing.