The Trijicon Miniature Rifle Optic (MRO) is a reflex-style, sealed sight intended for use on rifles, carbines, and shotguns to provide fast target acquisition. It is designed to be used with both eyes open, providing the operator with maximum situational awareness. The MRO features fully protected adjusters that maintain zero even during rough handling, and can be adjusted without the need for special tools. Hard-anodized, forged 7075-T6 housing is fully sealed and waterproof, providing durability in demanding conditions.