Upgrade your compact/subcompact handgun with the Crimson Trace RAD Micro Pro Open Reflex Sight. This pistol red-dot features a precise 3 MOA dot, and has a notch cut into the rear for co-witnessing with iron sights. The RAD Micro Pro also has an ambient light sensor to automatically adjust the brightness setting based on the surrounding light levels, and the shake-to-wake feature means the sight is always at the ready. In addition, the RAD Micro Pro is equipped with a Crimson Trace proprietary textured finish to assist in cocking the slide. Features of the Crimson Trace RAD Micro Pro Open Reflex Sight: Automatically adjusts illumination setting to surrounding light levels Shake-to-wake technology Crimson Trace proprietary textured finishNotch cut into rear for co-witnessing with iron sights Crimson Trace RAD Micro Pro Red LED Illuminated Reticle Compact Open Reflex Sight 01-01970