The Trijicon Specialized Reflex Optic (SRO ) 2.5 MOA Adjustable LED red dot is designed for a wide range of pistol and shooting applications, including target shooting, plinking, and competition use. Its large, unobstructed field of view and crisp 2.5 MOA dot make it easy to acquire and track targets quickly, improving both speed and accuracy. Built for durability and hard use, the SRO is engineered to withstand the demands of slide-mounted pistols and shares proven electronics design heritage with the Trijicon RMR . Constructed from forged 7075-T6 aircraft-grade aluminum, it offers exceptional strength while protecting internal components and lenses from impact. The optic includes both manual and automatic LED brightness modes and offers up to a 3-year battery life. Its top-loading battery design allows for quick and easy replacement without removing the optic. Product Details Brand: Trijicon Model: Specialized Reflex Optic (SRO ) Reticle: 2.5 MOA Red Dot Illumination: Adjustable LED Material: 7075-T6 aircraft-grade aluminum Battery Life: Up to 3 years Mounting Footprint: Same as Trijicon RMR Waterproof Rating: Up to 10 ft (3 meters) Included Accessories: Trijicon logo sticker (PR15) 2x #6-32 x 1/2" Torx head screws 2x #6-32 x 0.380" Torx head screws Torx head key User manual Warranty card SRO battery cap tool Product Features Large, unobstructed field of view for fast target acquisition Parallax-free design compatible with suppressor-height iron sights Tool-less windage and elevation adjustments for easy zeroing RMR footprint compatibility for easy mounting Clear, crisp 2.5 MOA illuminated dot Top-loading battery for quick replacement 8 brightness settings including 1 super bright and 2 night vision modes Button lock-out mode for duty or carry use Button lock-in mode for competition and target shooting Rugged 7075 aluminum housing for durability Designed for pistol-ready red dot platforms