Get closer to your target with the Sightmark Triple Duty 8.5-25x 50mm Riflescope. Tested and recommended by the National Tactical officers Association, this high-power riflescope features a large 50mm objective lens and a Mil-Dot reticle that offers bright, crisp images at long distances. Designed for superior range estimation and long-distance shooting, the 8.5-25x 50mm Riflescope utilizes cutting-edge glass with fully multi-coated optics for exceptional clarity. The one-piece 30mm tube offers a wide field-of-view and fully multi-coated optics for a bright, crisp image. O-ring sealed and nitrogen-purged, the Triple Duty 8.5-25x 50mm Riflescope is both fog proof and waterproof. This precision scope features a parallax adjustment knob and oversized, locking windage and elevation turrets with 1/8-inch MOA clicks, providing an additional level of accuracy and ensuring that the scope stays zeroed. The Triple Duty series of riflescopes are complimentary to any shooter's arsenal.