Crimson Trace LG-499 Laserguard Heckler & Koch VP9/VP9SK/VP40 Laser Sight - Red - 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 Instinctive Activation which allows the unit to spring to life with a normal firing grip. This model features a front activation button. As with all Crimson Trace laser sights, this Laserguard is easily user-installed in moments with zero modification to the firearm. It is factory sighted at 50' but is fully user-adjustable for windage and elevation with provided tool. Red Laser Sight Adjustable Laser Sight Instinctive Activation Three Year Limited Warranty Eligible For Free Batteries For Life Program Fits H&K VP9, VP9SK And VP40