Crimson Trace Rail Master Universal Green Laser Sight – CMR-206 – Fits Pistols, Rifles & Shotguns. Description: The Crimson Trace CMR-206 Rail Master® is a compact yet powerful universal green laser sight designed to fit virtually any rail-equipped pistol, rifle, or shotgun with a modern M1913 Picatinny or Weaver-style accessory rail. Featuring bright green laser technology (5mW peak, Class 3R) for maximum visibility in a wide range of lighting conditions, the CMR-206 provides rapid target acquisition and improved shooting confidence. Ambidextrous control tabs allow for instant activation or deactivation, while a 5-minute auto shut-off conserves battery life. The laser runs for up to 2 hours on a single 1/3N lithium battery and installs quickly with Crimson Trace’s Secure Lock TechnologyT (SLT) for a secure, no-tools-required fit. The CMR-206 can be easily moved between compatible firearms in minutes, making it a versatile option for multiple platforms. Compact universal green laser sight for pistols, rifles, and shotguns. Fits M1913 Picatinny and Weaver-style accessory rails (minimum 1 1/16 from recoil lug). Brightest green laser allowed by law – 5mW peak, 515nm, Class 3R. Ambidextrous dual-side instant activation tabs. Approximate dot size: 0.50 at 50 feet. 5-minute auto shut-off to preserve battery life. 2-hour runtime on a single 1/3N lithium battery (included). Quick and secure mounting with Crimson Trace Secure Lock TechnologyT. Laser Type: Green, 5mW peak, 515nm, Class 3R. Activation: Dual-side instant activation tabs. Battery Type: 1x 1/3N Lithium (included). Dot Size: 0.50 at 50 ft. Construction: Durable polymer and metal components. Compatibility: Fits most rail-equipped pistols, rifles, and shotguns with an M1913 Picatinny or Weaver-style accessory rail, including (but not limited to). ATI, Beretta, Bersa, Browning, Caracal, Colt, CZ, Dan Wesson, FN, Glock, Hi-Point, HK, IWI, Kel-Tec, Kimber, Les Baer, Nighthawk Custom, Para Ordnance, Ruger, Sig Sauer, Smith & Wesson, Springfield Armory, Taurus, Walther, Wilson Combat, and many others. Minimum 1 1/16 clearance from recoil lug required. Crimson Trace CMR-206 Rail Master Green Laser Sight.