Meprolight's MPO-S Micro Red Dot is an excellent aiming solution for a variety of different pistols. It features a sleek, low-profile design to promote faster drawing with minimal snag risk. The MPO-S utilizes the popular RMSc/JPoint footprint, allowing the optic to be directly mounted to a wide array of optics ready handguns. Other features include a 3 user selectable reticles – a 3 MOA dot, a 33 MOA semi-circle, and a dot/semi-circle combination. Additionally, the MPO-S is night vision compatible and features automatic brightness control. Features of the MPO-S Micro Red Dot: RMSc/JPoint FootprintUser selectable 3 segment reticle10 Day / 2 NV SettingsCR1632 – 20,000+ hours battery life (Setting 5)Automatic and Manual Brightness ControlPower Saving Sleep ModeIPX7 Waterproof rating Meprolight USA Like New Meprolight MPO-S 3/33 MOA Open Pistol Sight w/RMSc Footprint 901141171__LN