The Trijicon MRO-C-2200346 MRO SD is a sealed reflex sight for rifles, carbines, and shotguns. Its 2 MOA green dot and large aperture support rapid aiming and situational awareness.A re-engineered objective lens improves optical performance and magnifier compatibility. Ambidextrous brightness controls, sub-flush adjusters, lens coatings, and a waterproof, hard-anodized 7075-T6 forged housing combine rugged durability with streamlined operation.1/2 MOA-per-click windage and elevation adjustments support precise zeroing.2 MOA green dot provides a clearly defined aiming point.Improved adjusters help retain zero through drop and recoil.No mounting hardware is included.A compact optic for fast, controlled field engagement.