Steiner 1x21 MRS Red Dot Sight (Universal Mounting)

Designed for quick target acquisition and tracking, the Steiner Optic 1x21 MRS Red Dot Sight features anti-reflection multi-coated optics and a 3 MOA red aiming dot that is easy to see in all light conditions without obstructing your target. A built-in light sensor controls the intensity when set to automatic mode, or you can choose one of three manual options for custom control. When used with both eyes open, it has an unlimited field of view, exit pupil, and eye relief for maximum situational awareness and maneuverability.