The Trijicon MRO is a high-performance, reflex-style sight engineered for rifles, carbines and shotguns, providing lightning-fast target acquisition and superior situational awareness. With its both-eyes-open design, large aperture and tapered light path, it expands your field of view for rapid engagement, even from non-standard positions. Built to withstand the harshest conditions, its forged 7075-T6 aluminum housing is fully waterproof and sealed, with sub-flush adjusters, ambidextrous brightness controls and premium lens coatings for optimal clarity. The MRO HD pushes performance further with an engineered objective lens, delivering a crisp 2.0 MOA center dot and a 68 MOA segmented circle reticle, perfect for use with a magnifier. With adjustable reticle modes and brightness settings, the MRO is a mission-ready optic built for professionals, hunters and tactical shooters alike. A re-engineered objective lens produces a refined 2.0 MOA center dot and 68 MOA segmented circle reticle for better target acquisition The larger viewing area of this optic allows for faster target acquisition with reduced "tube effect" improving overall shooting performance Built with a forged 7075 housing and fully sealed construction, this optic offers maximum durability and protection against harsh environmental elements The brightness dial on this optic is easily adjustable by both left and right handed users without removing their hand from the fire control Featuring a cap less design with sub-flush adjusters, this optic eliminates lost caps and prevents inadvertent adjustments This optic's cap remains attached to the optic during battery changes, ensuring convenience and preventing loss The MRO models offer 8 brightness settings, including (2) night vision compatible settings, with MRO HD models featuring 16 brightness settings Multi-coated lenses provide superior clarity and light gathering capabilities for a crisp, distortion-free reticle Electronics in this optic are warranted for 5 years from the original manufacture date, ensuring reliable performance