The LG-499 Laserguard® is a powerful red laser sight designed for the Heckler & Koch® (HK®) VP series of pistols including: VP9, VP9SK and VP 40. Featuring a 5mW peak, 620-670nm, Class 3R red laser beam, the LG-499 is operated by Crimson Trace's famed Instintive Activation which allows the unit to spring to life with a normal firing grip. This model features a front activation button.