Mark AR has long range shooting solutions for the tactical hunter that have never been easier. Is the target at 500 yards? Simply turn the dial to the 5 and squeeze the trigger. It is that easy. Whether you shoot an AR15 platform or a bolt action, the Leupold Mark AR 3-9x40mm or 1.5-4X20 has it covered. Featuring fast focus eyepiece, BDC reticle, waterproof, and has the same performance standard as Leupold Mark 4.