Fiber Optic Front Sight for Ruger® Mark IV™ and 22/45™ Install Instructions
At a glance:
- Features highly visible fiber optic light tube for quick target acquisition
- Made of Aluminum for long lasting durability
- Includes red optic tube for customization
Supported Firearms:
- Ruger® Mark IV™ 22/45™ LITE
- Ruger® Mark III™ 22/45™ LITE
TANDEMKROSS sights are protected against mechanical failure for life by TANDEMKROSS’s Lifetime Guarantee. Fiber optic light pipes are highly susceptible to breaking within typical intended use and are guaranteed for the first six months after the time of purchase. Learn more about our warranty and returns policies here.

112 Reviews
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Fiber Optic Front Sight for Ruger 22/45
Great front site. Much Better than original sight.
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Fiber Optic Front Sight Ruger Mark IV
Great service, great price and above all a great product. Perfected the sight picture on my Ruger MKIV Target model. Ready for the RFPI Steel Challenge season. Great job TK.
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Awesome
Waaaay better than the black front sight that came on my mark 4. Easy to install. I suggest using heat to loosen to take off old and to put new one on. I had problems until I heated it, then it took a couple minutes after heat.
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review
the difference between the stock on is incredible - a must do upgrade
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fiber optic sight
Best $20 bucks you can spend on your Ruger MkIII. I had previously painted the black factory front sight, which helped, but this thing catches so much light it almost looks like it's battery powered. Super easy to install.
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Review
Excellent front sight. Would highly recommend. Thank you.
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Fiber Optic Front Sight for Rugar 22/45
The sight fit the barrel perfectly and the video was of great help. Tandemkross hit the mark again.
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TK FO sight for Mark IV
This sight checks all of the happy boxes: fair price, solid appearance, installs easily, very much improves sight picture. TK upgrades for my Ruger pistols have all been five star.
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Nice sight
Easier to sight in your target if your stock ones are black. Cool that there are two different colors to change out to. Looks great too!