Specially designed to handle your hardcore shooting needs the Sightmark Ultra Shot M-Spec FMS Reflex Sight or Dark Earth promises repeatable accuracy ultra-fast target acquisition and rugged mil-spec reliability in virtually any environment. The Ultra Shot M-Specs premium wide-angle lens system with scratch resistant and anti-reflective red coating patented integrated sunshade illuminated red 65-MOA circle-dot reticle with 10 brightness settings night vision brightness modes parallax correction (beyond 10 yards) and unlimited eye relief deliver a crisp robust field of view and uncompromising reliability even in low light and when perfect sight alignment isnt an option. Built tough the Ultra Shot M-Spec Reflex Sight is shock proof dustproof IP68 waterproof recoil rated up to .50 BMG. and constructed of a rugged lightweight 6061-T6 aluminum hood and protective shield. 1 MOA windage and elevation adjustments up to 120 MOA of travel get you on target quickly while the Interlock internal locking adjustment system and a single CR123A battery keeps you there with a battery life of 200 2 000 hours. The Ultra Shot M-Spec FMS Reflex Sight also features locking picatinny mount low battery indicator motion sensing auto on/off activation digital switch controls 12-hour auto shut-off and Sightmarks lifetime warranty. The Ultra Shot M-Spec LQD Reflex Sight is also perfectly compatible with the Sightmark XT-3 Tactical Magnifier (SM19062). Includes adjustment tools CR123A battery operation manual and neoprene cover.