When speed matters and sight acquisition is critical, the Trijicon Specialized Reflex Optic (SROA(R)) 5.0 MOA delivers rapid dot recovery, a clear sight picture, and rock-solid durability for serious competitors. Built with a large, unobstructed field of view, this red dot sight allows shooters to track and engage faster with unmatched target clarity. Designed with the same footprint and electronic reliability as the Trijicon RMRA(R), the SRO is housed in forged 7075-T6 aluminum to withstand the punishing recoil and abuse of slide-mounted pistol use. Its top-loading battery compartment, tool-less adjustments, and eight user-controlled brightness settings offer practical advantages for both match shooters and defensive carriers. With manual and auto-brightness modes, plus specialized Lock-In and Lock-Out features, the SRO gives you total control for any lighting condition-on the range or in competition. Key Features: Dot Size: 5.0 MOA red dot - ideal for fast target acquisition and transitions Brightness Modes: 8 total (including 1 super bright and 2 NV-compatible settings) Battery Type: CR2032 with up to 3-year lifespan Footprint: RMRA(R) footprint - compatible with standard RMR mounts Window Size: Large, parallax-free viewing window for improved dot tracking Construction: Forged 7075-T6 aluminum housing Waterproof to 10 feet (3 meters) Shock-resistant, duty-ready Adjustments: Tool-less windage and elevation Adjustable LED with Lock-In and Lock-Out modes Convenience: Top-loading battery - no need to remove sight for battery changes Manual and automatic brightness modes Compatibility Notice: For GlockA(R) MOS, SpringfieldA(R) OSP, WaltherA(R) PDP, and H&KA(R) VP9 Optics Ready models, a Trijicon SRO Mounting Kit (AC32085) is required.