"Designed to mount directly behind a reflex sight or red dot, the versatile T-3 Magnifier allows a quick and easy way to magnify your sight picture by 3x and provides an absolute co-witness. A straight tube magnifier the T-3 features a streamlined, low drag design, preventing the magnifier from snagging on equipment in important situations. Ideal for engagements up to 100 yards, if a close-range shooting scenario calls for no magnification, simply use the T-3's flip-to-side mount to rapidly transition between the optic systems. This durable magnifier is constructed of aluminum and provides improved brightness and resolution from fully multi-coated optics. External windage and elevation adjustments align the reticle to the center of the T-3's point of view. EOTech and Aimpoint compatible, the locking quick detach mount found on the T-3 lets the magnifier be quickly removed. Features: Sightmark T-3 Magnifiers include flip-to-side LQD mount, adjustment tools and manual. Locking, quick detach mount for quick and easy removal Flip-to-side mount provides rapid transition between optical systems Fully multi-coated, scratch resistant External windage/elevation adjustment for reticle alignment Increases magnification of accompanying sights for greater engagement range EOTech and Aimpoint compatible For the best selection of Modern Sporting Rifles and accessories, shop Palmetto State Armory!"