Crimson Trace Corporation, Green Laserguard, Fits Smith & Wesson M&P Compact & Full, Black, User Installed Battery, DOES NOT FIT COMPACT .22 FRAMES AND M&P M2.0 MODELS WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Pressure activation Green laser Factory sighted at 50Ft .5 inch diameter at 50 feet LG-360G Green Laserguard(R) is a green laser sight specifically designed for Smith & Wesson M&P Full-Size and Compact pistols. User-installed in moments, and fully adjustable for windage and elevation, the LG-360G is securely mounted to the trigger guard and accessory rail. Featuring a bright green laser that is highly visible in all lighting conditions, the Laserguard runs for more than two hours with included battery. The LG-360G features Instinctive Activation(TM) which allows the laser to be activated when the pistol is held in a normal firing grip.