Crimson Trace Lasergrip Standard Polymer Ruger KMK, MKII, MKIII

Immediate targeting with a bright red or green laser beam when you hold your gun in a natural firing grip. This innovation, Instinctive Activation, saves precious time when seconds count. Lasergrips are compatible with your favorite holster, feature a master on/off switch, provide 2 (green) to 4 (red) hours of battery life, are easily user-installed with zero modification to your firearm and are completely user-adjustable for windage and elevation. Uses two 2032 lithium batteries.