The Nightforce MultiMount™ was originally designed as a platform for close-range sights to be mounted in conjunction with a primary riflescope. In practice, the MultiMount offers a user-configurable system that is rock-solid for nearly any accessory that will fit. Designed to fit 4- and 6-screw X-Treme Duty™ rings. Two Mil. Std. 1913 rails included. NOTE: Clean all mating surfaces thoroughly before mounting. Use a torque wrench and do not exceed recommended torque values: Cap Screws: 25 in-lb MultiMount Rail Screws: 25-in-lb