XL 1 Advanced Comm 2.5 Grey Clear stock true and consistent extended eye Maat:60 true and consistent extended eye relief for shooters to effectively use on any firearm where the optics cannot be mounted directly above the action Innovative EZ TAP Illumination Enhancing (IE) system with red green dual color mode and 36 color multi color mode to accommodate all weather light conditions 1 click high tech illumination memory feature gets you right back to the color brightness setting last used Premium zero locking and zero resetting target turrets with most consistent and precise 1 4 MOA per click windage elevation adjustment Emerald coated lenses to achieve maximum light transmission for best clarity Unique 6 Mil Dot Tactical Range Estimating (TRE) etched glass reticle for the ultimate performance Side wheel adjustable turret for parallax adjustment from "true 10 yards" up runs up to 32 hours The utilized material makes them lightweight and exceptionally durable Certificates and norms: ANSI Z87