Aim Sports RT5C1 Compact Reflex Sight Matte Black 1x27mm 3.5 MOA Red Dot

This compact red dot reflex sight is small enough to mount on a pistol and yet large enough to use comfortably on a rifle as a CQB option. It features a single side activation button for fast activation and control of the illuminated red dot. Aircraft grade aluminum body, 3.5 MOA dot size, lightweight / compact design, six levels of brightness, 1 MOA adjustment per click, +/- 40 MOA windage and elevation adjustment, integrated Weaver-style mounting system, up to 150 hours of battery life on lowest brightness setting using CR2032 battery (included).