Primary Arms SLx RS-10R Mini Reflex Sight 3 MOA Green Dot 507c Footprint Black 23x19mm. The optic also switches to a side-loaded CR1632 battery while maintaining the compact reliable design that our users expect. Specifications for Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight: Manufacturer: Primary Arms Color: Black Finish: Anodized Fabric/Material: Aluminum Magnification: 1 x Objective Lens Diameter: 23 mm Objective Window Size: 23 mm Reticle: 3 MOA Dot Illumination Type: LED Brightness Settings: 11 Adjustment Click Value: 1 MOA Emitter Type: Open Lens Material: Glass Optical Coating: Multicoated Battery Quantity: 1 Battery Life: 40000 hours Weather Resistance: Yes Water Resistance Level: Yes Shockproof: Yes Length: 1.9 Width: 1.1 in Height: 1.1 in Weight: 1.1 oz Package Type: Box Switch Type: Button Red Dot Sights-Footprint: RMR Lens Type: Glass Features of Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight: This badge is reserved for scopes with the brightest reticle illumination comparable to the highest settings on a red dot sight. Suitable for any environment our Daylight Visible scopes offer bold reticle illumination visible even in broad daylight. Distinguished by powerful illumination our Daylight Bright reticles are strikingly bright even in intense daylight conditions. Our Multicoated Lenses are treated with a special finish to reduce reflections and increase light transmission. Optics with Long Eye Relief have an extended eye box making it easier to use in fast-paced dynamic shooting. Our HD (High-Density) Glass is a feature of premium optics delivering greater clarity definition and color correctness. Our ED (Extra-Low Dispersion) Glass greatly reduces chromatic aberration for a cleaner sharper image. Our Modular Chassis System ensures compatibility across all major mounting footprints while still co-witnessing with standard height iron sights. Our UML Levers attach directly to your scope s magnification ring for faster smoother turning. Package Contents: Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight Battery Primary Arms 810057: SLx RS-10R Mini Reflex Sight 3 MOA Green Dot 507c Footprint Black 23x19mm