The Williams Fire Sight Set for the Ruger Mark II, Mark III, and Mark IV (brand part no. 602588) gives bull-barrel Ruger rimfire pistol owners a durable, click-adjustable sight upgrade in one kit. Williams Gun Sight has built precision fire sights for decades, and this set pairs a steel front and rear sight for a faster, more visible sight picture on the range or in competition. It is purpose-fit to bull-barrel Mark-series pistols and installs on the factory dovetail without any additional machining. Shooters looking to tighten up groups on steel or paper targets will appreciate the repeatable click adjustment built into the rear unit.

Key Specifications

• Constructed from steel for long-term durability under regular range use.
• Fits Ruger Mark II, III, and IV bull-barrel pistol models specifically.
• Rear sight offers click-adjustable windage and elevation for precise zeroing.
• Includes the dovetail base needed for direct front sight installation.
• Sold as a matched front and rear sight set, not a single component.

Frequently Asked Questions

Will this fit a standard-barrel Ruger Mark IV? This set is designed for bull-barrel Mark II, III, and IV models; check your barrel profile before ordering.

Can I adjust the sight after installation? Yes, the rear sight is click-adjustable for windage and elevation.

Does it include mounting hardware? Yes, the dovetail base needed for installation is included.

Buy the Williams Fire Sight Set for Ruger Mark II/III/IV

This steel fire sight set is a straightforward upgrade for bull-barrel Ruger Mark pistols that need a sharper, more adjustable sight picture. Order from our Williams Gun Sight lineup of gun sights and get it shipped fast direct to your door from our Lubbock, Texas gun shop.