HiViz Smith & Wesson Adjustable FO Pistol Rear Sight Black w/Green. Our bright and fully adjustable rear sight will enhance your confidence and shooting experience. Machined from 4140 and designed to be an exact fit. Installs with factory elevator screw and T-nut which are included. Specifications for HiViz Smith & Wesson Adjustable FO Pistol Sights: Manufacturer: HiViz Gun Make: Smith & Wesson Color: Black Front Sight Color: No Front Sight Rear Sight Color: Red Green Fabric/Material: 4140 Steel Gun Type: Revolver Illumination Type: Fiber Optics Condition: New Features of HiViz Smith & Wesson Adjustable FO Pistol Sights Interchangeable LitePipe design Includes green and red Litepipes All steel construction LitePipe diameter 0.070 Windage and elevation click adjustment Limited lifetime warranty under normal conditions and proper use of firearm Fits S&W revolvers with factory adjustable rear sight produced from 1998 to curreInterchangeable LitePipe design Includes green and red Litepipes All steel construction LitePipe diameter 0.070 Windage and elevation click adjustment Limited lifetime warranty under normal conditions and proper use of firearm Fits S&W revolvers with factory adjustable rear sight produced from 1998 to currentnt Package Contents: HiViz Smith & Wesson Adjustable FO Pistol Sights Elevator screw T-nut HiViz SWR11: Smith & Wesson Adjustable FO Pistol Rear Sight Black w/Green