Manufacturer: Hiviz SW3001R
HiViz S&W Handgun Fiber Optic Front Sight, 0.250", Red
SW3001 - Front sight will fit any Smith & Wesson revolver with interchangeable front sight. Height is .250" - measured from top of blade to bottom of blade excluding dovetail. Resin overmolded LitePipe available in either red or green.