TECHNOLOGICALLY ADVANCED RED DOTS - Our comprehensive assortment of Red Dots features many invaluable tools for the highly professional tactical field. - Some of these models are so compact that they can be mounted on pistols archery equipment shotguns and traditional rifles as well. - Among them the #7217 is uniquely versatile because it comes with a dual mounting system and with a special riser that allows for a much higher placement if needed. - SPECS - DUAL ILLUMINATED DOT (RED � GREEN) - RETICLE BRIGHTNESS SETTINGS: 0-8 - EYE RELIEF: UNLIMITED - DUAL MOUNTING SYSTEM: HIGH AND LOW - SHOCKPROOF/NITROGEN FILLED/WATERPROOF/FOGPROOF - SUITABLE FOR WEAVER/PICATINNY RAILS - BATTERY LIFE: 200 HRS - TECHNICAL DATA - DIAMETER: 22MM � 0.86 - LENGTH: 70MM � 2.75 - WEIGHT: 140 GR � 4.9OZ - DOT SIZE: 3 M.O.A.