Purpose-built for the fast pace of turkey hunting and wingshooting, the ViperA(R) Shotgun Enclosed Micro Red Dot delivers an ultra-low-profile design and wide field of view for intuitive shooting and superior recoil control. Its enclosed design and integrated universal mount ensures seamless operation and maximum protection against the elements. KEY FEATURES: INTEGRATED UNIVERSAL MOUNTING SYSTEM For drilled and tapped shotgun receivers. ENCLOSED ALUMINUM HOUSING Durable 6061 aluminum enclosed housingprotects against debris and moisture. LARGE VIEWING WINDOW For fast target acquisition and large fieldof view. MULTI-RETICLE OPTION Quickly adapts to diverse shooting situations. WHAT&&';;S IN THE BOX: Rubber Cover Lens Cloth Custom Tool Most Common Mounting Screw Sets CR2032 Battery