Williams Gun Sight Company

Williams 616319 Adjustable Firesight Fiber Optic Sight Set for Mark 1, 2, 3, 4 with HEAVY TAPERED Barrel

Fiber Optic Firesight for Mark II and IV pistols features a click adjustment design for windage and elevation adjustment, high visibility fiber optics for target shooting and hunting, and improved...

Williams 633505 Adjustable Firesight Fiber Optic Sight Set -ONLY- for Ruger Mark 3 and 4 LITE

Firesight with a dovetail rear sight and screw-on front sight for Mark III and IV LITE Uppers. Features a click adjustment design for windage and elevation adjustment, high visibility fiber optics...

Williams 70958 Adjustable Firesight Fiber Optic Sight Set for Ruger GP100

For Ruger GP 100 models (only for GP100 models WITH a spring pin front sight) Williams target pistol Firesights features a unique click adjustment design for windage and elevation adjustments...