The Trijicon MRO-C-2200326 Miniature Rifle Optic is a sealed, waterproof reflex sight engineered for rifles, carbines, and shotguns. Its 2 MOA red dot and large aperture support rapid target acquisition while preserving situational awareness.A re-engineered objective lens improves optical performance and magnifier compatibility. Fully sealed construction, advanced lens coatings, and forged 7075-T6 hard-anodized housing deliver durable, reliable operation.2 MOA red dot for precise aiming1/2 MOA-per-click windage and elevation adjustmentsAmbidextrous brightness controls and sub-flush adjustersLow mount included for immediate installationChoose the MRO SD for rugged, low-profile optics and consistent zero retention under recoil and impact.