The EOTechA(R) EXPS3 is an operator-grade Weapon Sight built for close-quarters engagements with fast-moving targets. 100% made in the USA, the EXPS3 offers true both-eyes-open shooting and a 7mm raised base that still allows for iron sight access. The 68 MOA ring with 1 MOA center dot is quick and easy to pick up-even in the heat of battle. With 20 daylight settings in addition to 10 night vision settings, it excels at every time of day. It features easy-to-adjust side buttons and an adjustable, locking, quick-detach lever for easy attachment and removal. Using advanced holographic technology, EOTech Holographic Weapon Sights are among the fastest and most intuitive sighting systems on the planet. Exactly why you'll find them on the weapons of America's most elite law enforcement professionals and special-operations warriors. And you'll see the advantage the instant you engage a target. 68 MOA red ring with 1 MOA red dot is quick and easy to pick up 20 brightness settings plus 10 night vision settings Rugged aluminum hood with hardcoat anodized finish Waterproof and submersible to 33' 1,000 hrs. of battery life at setting 12 1/2 MOA adjustments for windage and elevation 7mm raised base allows access to iron sights Mounts to 1" Weaver or MIL-STD 1913 rail Adjustable, locking, quick-detach lever Made in USA Order today!