The Burris FastFire Red Dot Reflex sight is the most versatile red dot sight on the market. Mount it n your favorite handgun, shotgun or hunting rifle for greater accuracy and faster target acquisition. You won't need to worry about sight alignment, eye dominance or finding your target. Just put the red dot on your target and pull the trigger. Compact and lightweight, the FastFire won't affect the balance or handling, plus it offers unlimited eye relief, parallax-free 1x magnification and simple operation. Ideally suited for use on pistols and AR-15s where fast target acquisition is desired, the FastFire red dot sight will also match up well with carbines, lever guns and shotguns. Ruggedly designed, impervious to the elements and will hold up to years of punishing recoil. You'll find a wide selection of mounts for either model that will fit on most popular shooting platforms.