This is the Sight Mark Reflex sight. This holographic sight is ideal for the tactical rifle, perfect for home defense or hunting, when used in conjunction with the 3X magnifier, it offers the shooter a wide variety of shooting possibilities. This is a green light sight, which is preferred in brighter conditions. This sight is rugged, dependable and best of all, affordable at just 140.00. These sights are available NOW at Shotgun Blasters!!