Ultimate Arms Gear Tactical Dual Red & Green Dot CQB Mossberg 500 535 590 835 Maverick 88 12/20 Gauge Shotgun Rifle Scope 7/8" Weaver Picatinny Rail Mounting Rings, Lithium Battery & Lens Cleaning Kit Magnification 1X Fixed Crystal Clear 30mm Lens Illuminates Red & Green For Day & Night Tactical Situations Full Windage and Elevation Adjustments Nitrogen Filled, Shockproof, Fogproof, and Water Resistant