Trijicon SRO (Specialized Reflex Optic), 2.5 MOA, Adjustable LED, Matte Black Finish SRO2-C-2500002 For decades, Trijicon Optics have earned the trust of military, law enforcement, hunters and shooting enthusiasts. Every optic is built with legendary toughness, precise adjustability and outstanding, high-quality glass that gives the user the accuracy they need to get the job done with confidence.