Lightweight, durable, and incredibly versatile, the MeoSight IV Red Dot Sight is an ideal option for 3 gun competitions. It comes with a picatinny mount for use on rifles, carbines, and shotguns, but is also compatible with Meopta/Docter mounting plates for use on optics-ready handguns. When equipped on a long-gun, the MeoSight IV sits at optimal height for co-witnessing with iron sights, and can also be used in conjunction with a magnified riflescope when attached to an offset mount. In addition, the MeoSight IV Red Dot is powered by commonly available CR1632 batteries, and features a long battery life of 30,000 hours. Features of the MeoSight IV Red Dot Sight: Compatible with both handguns and long-gunsCapable of co-witnessing with long-gun’s iron sights Powered by common CR1632 batteries Meopta MeoSight IV Red Dot Sight 1047103