NcStar Tippmann Red Dot Reflex Sight/ Weaver Base (DP) LED (Light Emitting Diode) 100% safe for the eyes. Unlimited Eye Relief for flexible mounting Mechanical On and Off switch mounted to the side of the optic for easy access Integrated Weaver base mount will mount onto virtually any firearm with a Weaver, Picatinny, MIL-STD 1913 type rails Black Polymer and aluminum mount construction.