The Trijicon MRO (Miniature Rifle Optic) SD is a sealed miniature reflex sight intended for use on rifles carbines and shotguns to provide fast target acquisition. The large aperture and tapered light path maximize the viewing area and allow for better situational awareness and fast target engagement. Combine all this with the ambidextrous brightness controls sub-flush adjusters advanced lens coatings and the fully sealed waterproof hard anodized forged 7075-T6 housing and you have the ultimate mini reflex sight on the market. – The MRO SD features a re-engineered objective lens allowing for enhanced optical performance and magnifier compatibility. The MRO SD is also equipped with improved windage and elevation adjusters designed to maintain stricter zero retention requirements under drop and recoil. – The MRO SD Patrol comes equipped with lens covers for both the ocular and objective lenses along with an Anti-Reflection Device KILLFLASH® that protects you from unwanted detection or in bright conditions while eliminating glare. – INCLUDES – Ocular Cap – Objective Cap ARD – 1/3 Co-Witness Quick Release Mount (AC32071) – Trijicon Logo Sticker (PR15) – Lens Cloth – Manual – Warranty Card – MRO Mount Guide – Length x Width x Height 4.35 in x 1.7 in x 2.0 in (110.49mm x 43.18mm x 50.8mm) – Weight 5.0 oz. (141.75g) – Magnification 1x – Objective Size 25mm – Reticle Pattern 2.0 MOA Dot – Day Reticle Color Red – Night Reticle Color Red – Bindon Aiming Concept (BAC) No – Illumination Source LED – Illumination Settings 8 – Power Source 1 CR2032 Lithium Battery – Battery Life 2.5 years of continuous use at day setting 3 (setting 5 of 8) at °F (21°C) – Adjustment 1/2 MOA Per Click – Adjustment Range 70 MOA Total Travel – Eye Relief Infinite in. – Mount 1/3 Co-Witness Quick Release Mount – Housing Material 7075-T6 forged aluminum – Finish Matte Black – Submersion Depth 100 ft. (30m)