Srs Red Dot Sight EmersonNew SRS Style EMERSON Red Dot Sight rifle Scope For Hunting Airsoft 100% brand new item, for Airsoft only The Trijicon SRS is a highly engineered sealed reflex sight that eliminates thetube effect typically associated with other sealed reflex style sights The modern design incorporates a 28mm aperture that allows easier target acquisition Its 1. 75 MOA dot is small enough for precision and bright enough for speed Manually adjustable brightness