Ultimate Arms Gear 1X30 Tactical CQB Dual Red & Green Dot Weaver-Picatinny 7/8" Shotgun-Pistol-Gun-Crossbow-Hunting Sight Scope + Built in 7/8" Weaver-Picatinny Mounting Base Magnification - 1X Crystal Clear 30mm Lens Illuminated Red Or Green 2MOA Dot For Day & Night Tactical Situations Full Windage and Elevation Adjustments Nitrogen Filled, Shockproof, Fogproof, and Water Resistant