Features of BURRIS Veracity PH 4-20x50 RC MOA Riflescope 200203 50 mm objective allows for maximum light collection Index-matched, Hi-Lume multicoating provides low-light performance and glare elimination Versatile 5-times zoom system provides a larger field of view at close ranges and better target acquisition at long ranges Progressively Thick Crosshairs (PTC) are very fine in the center and progressively thicker away from the center, for fast target engagement in low light at close ranges Zero turn Stop adjustment knobs allow a quick, easy return to the original yardage Advanced windage and elevation adjustment matches the reticle&';s MOA measurement system; adjustment is accurate, repeatable, fast, and easy Ergonomic side focus allows for easy-to-reach parallax adjustment from 50 yds. to infinity Double internal spring-tension system allows the scope to hold zero through shock, recoil, and vibrations Solid, 1-piece outer tube is stress-free and durable - withstands shock and vibration from even the heaviest-recoiling calibers Nitrogen-filled body tubes prevent internal fogging in the cold and rain