The LG-489 is a seamlessly integrated red laser sight for Smith & Wesson's M&P Shield concealed carry pistol. This Laserguard is designed to match the unique design of the pistol, and features our patented Instinctive Activation - meaning the laser is activated when the gun is held in a natural firing grip. Quickly installed with no gunsmithing required, is also fully adjustable for windage and elevation. Features a powerful red laser diode for improved laser targeting in all lighting conditions.