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.

110 Reviews
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Review
Great product, reasonable price and easy to install. I had to use the original screw to attach it to the barrel because the screw sent with it did not fit. Otherwise very satisfied.
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Great sight
Easy install, performs extremely well in daytime
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Great front site
Delivered on time from TK. Took 3 minutes to install- self- aligned. I used the green post. At range time I had to make minimal adjustments in elevation- my Ruger is still right on target.
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Huge Improvement
I can't overstate what an enormous improvement this was over the stock front sight on my Mk IV Tactical. 100% worth the cost, and installation was a breeze. Zero issues or complaints about 600 shots later. If you're looking at this, just buy it.
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Front sight
Great clarity in all light conditions and easy installation
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Front sight
Very easy to see love it
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Just what I needed for my Mk III
Made shooting my Mk III fun again (other than cleaning it). Installation was easy although I had to reuse my factory screw instead of the one provided. This front sight has made target acquisition faster with the brightly contrasted front sight. I would highly recommend this sight to anyone.
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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.