The SIGHT-PRO PTS2 Red Dot - 3x30mm is ideal for both standard weapons and assault rifles these Red Dots are among the the most professional units of their entire category. Each model comes with an array of innovative features that will satisfy even the most demanding users. 3X Power Magnification Fully Multicoated Lenses 1/3 M.O.A. Click Adjustment Turrets Integrated Tri-Rail System Mount Suitable For Weaver/Picatinny Rail Nitrogen Purged Waterproof Fogproof Shockproof Dot size: 2.8 M.O.A. Flip-Up Lens Covers Red/Blue Illumination