Sun Optics USA Tactical Prismatic Reticle/Lite Sighting Device (6 x 50-Inch) Precision Ground, Fully Multi Coated Lenses And Extended Polishing Process For Crisp Clarity Red/ Green T3 IR Reticle, Super Lightweight, Rubber Armourded 1/4 MOA windage/Elevation Adjustments Integral Mounting System, Ideal for Use With Magnifier Nitrogen Filled For Waterproof, Shockproof, And Fogproof Peace Of Mind