The Sightmark SM19064 T-5 is designed for versatility in shooting. This magnifier, which can be mounted behind a reflex sight or red dot, prides itself on providing an absolute co-witness. With the help of its flip-to-side mount, you can instantly alter the magnification of your close-range optic from 1x to 5x. The T-5\'s streamlined, low drag design ensures it doesn\'t snag on clothing or equipment and makes it .7 shorter than its predecessor. Perfect for extending your AR engagements to 200 yards, the Sightmark SM19064 comes with an included LQD mount for rapid attaching and detaching in high-pressure shooting situations. Its sturdy aluminum construction is shockproof up to .308 caliber rifles, and it offers IP55 water-resistant protection. With the Sightmark T-5, expect enhanced brightness and resolution thanks to fully multi-coated optics. The external windage and elevation adjustments aid shooters in aligning the reticle of their red dot or reflex sight to the center of the magnifier's point of view, delivering optimal performance.