LaserMax Centerfire Frame Mounted Red Laser Sight for Ruger LCR, LCRx – CF-LCR. The LaserMax series of centerfire lasers is an essential tool for training and self defense. The laser not only increases your ability to achieve hits under stress but it also allows you to have a point of reference for aiming under stressful conditions. The centerfire laser system can be easily mounted to the firearm without permanent alteration to the firearm. It can also be used by left or right handed shooters since the controls are ambidextrous. LaserMax Centerfire Laser Sight System CF-LCR. 4+ Hours continuous run battery life. Ideal for every day carry. Tough reinforced nylon design offers superior integration with firearm frame. Easily programmable for steady or high-vis pulsed beam. 10 minute automatic time-out prevents inadvertent battery drain. Fully adjustable for windage and elevation.