Trijicon SRO Features The SRO s forged 7075-T6 aircraft grade aluminum housing shares its core design approach with the proven Trijicon RMR giving the optic a genuinely rugged shell that protects the internal lenses and electronics from the repeated slide cycling and impact a duty or competition pistol experiences over its service life. Both manual and automatic LED brightness modes let the shooter choose between fixed control over dot intensity or automatic adjustment that responds to ambient light conditions useful when moving quickly between bright outdoor stages and dim indoor ranges. The wide field of view the SRO provides makes acquiring and tracking the dot faster during rapid target transitions a genuine speed advantage in both competitive and duty shooting scenarios where split times matter. Up to 2 years of battery life on setting 4 of 8 means the optic can go extended periods without a battery change reducing the risk of an unexpected dead battery mid-season. Because the SRO has been tested to survive typical pistol-mounted drops shooters can trust the optic to hold zero and keep functioning after the kind of incidental impacts a duty or range pistol experiences during normal handling and holstering. The 2.5 MOA dot size strikes a balance between precision at distance and speed of acquisition up close which is why it remains Trijicon s most popular reticle option across their reflex sight lineup. The anodized black finish resists the wear that comes from repeated holstering and drawing. For pistol shooters who want the same rugged design philosophy as the RMR in a slightly larger-format reflex sight the Trijicon SRO is available for sale at GrabAGun. Trijicon SRO Specifications Brand: Trijicon Model: SRO Type: Reflex Sight Reticle: 2.5 MOA Illuminated Green Dot Material: 7075-T6 Aluminum Anodized Battery: CR2032 up to 2 Years Brightness Settings: 8 Day / 2 Night Weight: 1.6 oz Available At: GrabAGun