Ultimate Arms Gear 2-6x28 Dual Red & Green Illuminated P4 Mil Dot Sniper Rangefinder Military Reticle Rifle-Shotgun Scope w/ Integral Tri Weaver-Picatinny System and Mounting Base Magnification 2X-6X Adjustable Crystal Clear 28mm Lens. Eyepiece Diameter- 32mm. Full Windage And Elevation Click Adjustments Illuminated Red & Green P4 Mil Dot Rangefinder Reticle : 11 different settings (1-Black when not illuminated, 5-Red, 5-Green) Integrated Tri Weaver Picatinny System For Attachment Of Lights-Lasers Directly Onto The Scope! Fully Coated For Heavy Duty Recoil, Nitrogen Filled, Shockproof, Fogproof, and Water Resistant