The Trijicon miniature rifle optic (MRO) is the ultimate reflex-style sight designed for rifles, carbines and shotguns, ensuring rapid target acquisition and enhanced situational awareness. Built for both-eyes-open shooting, it offers an expansive field of view with a large aperture and tapered light path, allowing for quick engagement even from unconventional shooting positions. Featuring ambidextrous brightness controls, sub-flush adjusters and advanced lens coatings, the MRO is housed in a fully sealed, waterproof, hard-anodized 7075-T6 forged aluminum body for unmatched durability. The MRO HD takes performance further, optimized for use with a magnifier and featuring an engineered objective lens that delivers a crisp 2.0 MOA center dot surrounded by a 68 MOA segmented circle reticle. With ambidextrous reticle and brightness adjustments, users can seamlessly switch between a full reticle or center dot only, adapting to any mission or environment. 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