The AR-15/M4 Super Precision scope mount is a high quality, precision machined mount that is optimized for use with AR-15/M4 rifles. It features a 7-slot mounting surface and 4 shear lugs for secure attachment to the Picatinny rail. The mount is made from 7075-T6 high strength aluminum and is machined from a single-piece of billet aluminum for added strength and rigidity. The mount also features Geissele's unique line bored cap system, which ensures a perfect fit to the body of your scope for optimal performance.