Meprolight USA 901141271 MPO F Black 1x, 3 MOA/33 MOA Bullseye/Ring 3 MOA Red Dot/33 MOA Bullseye/Ring ReticleTime to target matters. The new Mepro MPO F is engineered with a sleek, low profile design to minimize the risk of snags, ensuring a quicker and smoother draw with your full sized pistols. With user friendly buttons, a standard CR1632 battery offering 20,000 (over 2. 5 years) of illumination, and an RMR footprint which allows for direct mounting to your favorite handguns, the MPO F stands as the obvious choice for personal defense. User selectable 3