The Sightmark Ultra Shot R-Spec Reflex Sight turns up the heat on your range time with ultra-fast target acquisition and seriously long battery life, from 200 to 2,000 hours on a single CR123A battery. The Ultra Shot R-Spec's premium wide-angle lens system with scratch resistant and anti-reflective red coating, 4 illuminated red/green reticle options with 10 brightness settings, parallax correction (beyond 25 yards) and unlimited eye relief deliver a crisp, robust field of view and uncompromising reliability. Built tough, the Ultra Shot R-Spec Reflex Sight is shock proof, IP55 weather-resistant, recoil rated up to .338 and constructed of a rugged, lightweight 6061-T6 aluminum body and protective shield. 1 MOA windage and elevation adjustments, up to 120 MOA of travel, get you on target quickly and keep you there with an Interlock internal locking adjustment system, for precise, repeatable shooting from any range your comfortable shooting at 1x magnification. The Ultra Shot R-Spec Reflex Sight also features a low battery indicator, digital switch controls, 1-hour auto shut-off, and a quick-detach picatinny mount. Includes adjustment tools, CR123A battery, operation manual and neoprene cover.The Sightmark Ultra Shot R-Spec Reflex Sight turns up the heat on your range time with ultra-fast target acquisition and seriously long battery life, from 200 to 2000 hr on a single CR123A battery. The Ultra Shot R-Spec's premium wide-angle lens system with scratch resistant and anti-reflective red coating, 4 illuminated red/green reticle options with 10 brightness settings, parallax correction (beyond 25 yd) and unlimited eye relief deliver a crisp, robust field of view and uncompromising reliability. Built tough, the Ultra Shot R-Spec Reflex Sight is shock proof, IP55 weather-resistant, recoil rated up to .50 BMG and constructed of a rugged, lightweight 6061-T6 aluminum body and protective shield. 1 MOA windage and elevation adjustments, up to 120 MOA of travel, get you on target quickly and keep you there with an Interlock internal locking adjustment system, for precise, repeatable shooting from any range your comfortable shooting at 1x magnification. The Ultra Shot R-Spec Reflex Sight also features a low battery indicator, digital switch controls, 1 hr auto shut-off, quick-detach picatinny mount and Sightmark's lifetime warranty. Feature: Advanced AR coated, scratch resistant lens system 4 red/green reticle options with 10 brightness settings Quick detach mount for easy on/off application Auto shut-off Low battery indicator Rugged, lightweight aluminum alloy housing Protective aluminum shield Wide lens provides quick target acquistion Slotted windage and elevation adjustments Multiple reticle options Scratch resistant lens coating Interlock internal locking adjustment system