The LG-405 LaserGrips are Crimson Trace latest edition for the prolific Smith & Wesson line of J-Frame Revolvers (Round Butt). The J-Frame is a proven backup gun (BUG) for law-enforcement officers and the LG-405 provides concealed carry sighting assist for this small gun. Comfortable, these revolver LaserGrips feature a recoil reduction pocket to improve control of the smaller Smith & Wesson frame.