The Sightmark Ezekiel 3-30x56 Illuminated Mil-Dot Riflescope is highly durable scope, constructed of high grade aluminum and equipped with an illuminated red/green Mil-Dot reticle, which aids in range estimation and shooting in low light conditions. The Ezekiel uses cutting edge glass with fully multi-coated optics, which increases clarity, ensuring that it is the most accurate riflescope in its class. The Ezekiel features a one-piece 30mm tube that increases light transmission and field of view. O-ring sealed and nitrogen purged, the Ezekiel riflescope is waterproof, shockproof, fog proof and water resistant. This precision scope features a side parallax adjustment knob and oversized, locking windage and elevation turrets with 1/4" MOA clicks, providing an additional level of accuracy and ensures that the scope stays zeroed.