The Sightmark Ultra Shot Reflex Sight has a wide field of vision, designed for rapid fire or for shooting moving targets. This sight features a built-in Weaver mount that accommodates both shotguns and rifles. The Sightmark Ultra Shot is a versatile reflex sight and was designed to be lightweight (5.3 oounces). Some sights lack a locking system, while others have a manual lock down system that requires the user to readjust multiple times during sighting because the sight has moved from zero. The Sightmark Ultra Shot has a Interlok internal locking system that automatically locks into place as adjustments are made. The shooter has the ability to choose between four different reticle patterns, and the Ultra Shot is able to withstand recoil up to a .50 caliber gun.