When a tough, reliable mounting system is required without adding substantial weight, the Nightforce Ultralite Unimount is the answer. It features a CNC machined 7075-T6 hard anodized aluminum body and titanium beta series crossbolts and jaws. This unique construction combined with Nightforce's state-of-the-art design provides the performance of steel while reducing weight by more than 50%. The Nightforce Unimount is designed to remain attached to the scope at all times, allowing quick removal and installation on different firearms. It is the most accurate Mil. Std. 1913 mount available, the ultimate mount for attaching to weapons with an integral Mil. Std. 1913 flat top-type receiver. Precise tolerances ensure that the riflescope is not subjected to stress, strain or bending as the ring screws are tightened.