NcSTAR Green Laser with Universal Barrel Mount. See exactly where you"re aiming. Find your mark with ease using this NcSTAR Green Laser! Whether you"re at the range practicing or in the line of work that requires such equipment, you"ll know where your shots are going to end up even before you fire. It"s built with all-aluminum construction too... hard knocks won"t slow this bad boy down. Easily switch the 5mw laser on / off with your choice of momentary or full shutoff on the cap. There"s a coil pressure switch included as well! Comes equipped with a universal barrel mount with mounting tool. CR123A battery included. Measures 3 1/2 x 1 3/5 x 2 3/4" and weighs 5 ozs. Get yours now! WARNING: You must be 18 or older to purchase Lasers. Lasers cannot be shipped to New York City; D.C.; MA; Canada or Puerto Rico. Lasers cannot be shipped Parcel Post. Please check your State, County and City laws for restrictions before ordering Lasers. NcSTAR Green Laser with Universal Barrel Mount