Meprolight's MPO PRO-S Micro Red Dot delivers outstanding durability and offers an excellent aiming solution for a variety of different pistols. Its sheer ruggedness is thanks to fully enclosed design which matches the legendary durability of the Mepro M21, M22, and M5. This design also allows the MPO PRO-S to withstand direct impacts and adverse conditions. It features a sleek, low-profile design to promote faster drawing with minimal snag risk. The MPO PRO-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 PRO-S: RMSc/JPoint FootprintClosed design shields against all elementsUser selectable 3 segment reticle10 Day / 2 NV SettingsCR1632 – 20,000+ hours battery life (Setting 5)Automatic and Manual Brightness ControlPower Saving Sleep ModeIP67 Waterproof rating Meprolight USA Like New Meprolight MPO PRO-S 3/33 MOA Closed Pistol Sight w/RMSc Footprint 901141172__LN