Williams Fire Sight Set for Ruger MK II/III/IV Bull Barrel

The Williams Fire Sight Set is a high-visibility aftermarket sight upgrade designed specifically for Ruger Mark II, Mark III, and Mark IV bull barrel target pistols equipped with the factory dovetail base. Built around Williams' signature fiber optic Fire Sight technology, this set gives shooters a faster, brighter sight picture in low light and a cleaner sight line to the target than the factory iron sights that ship on most MK-series pistols.

The set includes both front and rear sights that replace the factory installation on Ruger MK II, III, and IV bull barrel pistols, including the 22/45 LITE variants that use a screw-on front sight. The housings are precision CNC machined from aircraft-strength aluminum and finished in anodized black, keeping the set light enough that it will not change the balance or feel of the pistol. The rear sight uses a click-adjustable design for both windage and elevation, so you can zero the sights to your pistol and ammunition without drifting them.

Williams' Fire Sights use bright fiber optic inserts that gather ambient light for a vivid, fast-to-acquire aiming point. The rear sight is built narrower than many replacement sets so the front fiber optic dot stays dominant in the sight picture. This Williams sight set is a straightforward drop-in upgrade that adds real visibility and speed to your sight acquisition on any compatible Ruger Mark-series pistol.