Designed for modern semi-automatic pistols, MSR platforms and shotguns; Fully ruggedized and impact resistant for the toughest environments; Ultra durable and lightweight 7075 aluminum main housing and components, 1.41″ riser mount with additional lower 1/3 co-witness spacer; Comes standard with solid and see-through lens covers and hex bolt mount; Complete Mil-Spec 810G testing, submersible up to 20 meters; Runtime in excess of 100,000 hours with solar and battery usage; MOTAC (Motion Activated Illumination) powers up or down when sensing motion; Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime; True co-witness QR mount and low mount included (co-witness 1/2 hex nut); Ballistic Circle Dot Reticle