Sig Sauer ROMEO3 XL Reflex Sight 1x35mm 1 MOA Adjustments MOA Dot Black The ROMEO3XL open reflex sight is the ideal sighting solution for MSR rifles, shotguns, carbines, submachine guns, and full-size handguns. The ROMEO3XL features a high transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion. 3 MOA and 6 MOA red dot options with multiple intensity settings ensure rapid target engagement under a full range of lighting conditions. The large 35mm lens offers an unparalleled field of view in an open reflex sight. Features: High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion 3 or 6 MOA dot with multiple intensity settings for rapid target engagement under a full range of lighting conditions MOTAC (motion activated illumination system) powers up when it senses motion and powers down when it does not Side loading CR2032 battery Comes with a low-profile M1913 Picatinny mount Aircraft grade CNC alluminum housing Dependable waterproof (IPX-7) and fog proof performance Finish Black Height 1.4 Inches Length 2.1 Inches Style Reflex Weight 1.5 Ounce Width 1.3 Inches Battery CR2032 Magnification 1 Adjustment Click Value 1 MOA Warranty Sig Sauer Electro Optics Infinite Guarantee Reticle 6 MOA Battery Type CR2032 Reticle Color Red Housing Material Aluminum