The LG-499G Laserguard is a powerful green laser sight designed for the Heckler & Koch (HK) VP series of pistols including: VP9, VP9SK and VP40. Featuring a 5mW peak, 515-532nm, Class 3R  green laser beam, the LG-499G is operated by Crimson Trace's famed Instinctive Activation which allows the unit to spring to life with a normal firing grip. This model features a front activation button.