Crimson Trace CMR-204 Rail Master Green Laser LED! The Rail Master Pro Universal Green Laser Sight & Tactical Light combines two tactical tools in a single compact unit. The versatile unit is designed to fit most modern pistols, rifles and shotguns with an M1913 Picatinny or Weaver-style accessory rail.A powerful green laser anchors the unit and provides up to 1 hour of continuous use on a single CR2 Lithium battery. The Rail Master Pro also includes a powerful 100 Lumen white light for target identification. The unit features three operational modes including: Laser/Light Constant On, Laser Constant On, Light Constant On, and Laser w/Light Dazzler. Activation is instant, with Tap On, Tap Off controls and a programmed Auto Shut Off at five minutes to conserve battery life. The waterproof unit features polymer construction with an aluminum body. THE DISTRICT OF COLUMBIA, THE CITY OF CHICAGO, IL. The item "Crimson Trace CMR-204 Rail Master Green Laser LED" is in sale since Wednesday, May 3, 2017. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Lights & Lasers". The seller is "hooked182" and is located in Palm Desert, California. This item can be shipped to United States.