Crimson Trace offers Lasergrips to fit S&W's Hog Hunter-style revolvers with a round butt. These grips have a comfortable rubber overmold grip to provide ideal comfort and security for large caliber revolvers. Features include front instinctive activation during a normal firing grip, fully-adjustable windage and elevation and a master on/off switch. *Note LG-307 and LG-308 fit S&W models 10 thru 19, 48, 53, 56, 64 thru 68, 242, 296, 547, 581, 586, 617, 647, 648, 686, 696. LG-308 also fits Governor model.