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.

107 Reviews
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Ruger 22/45 fiber optic front site
Could not have been easier. Instructions clear and took about two minutes to change. Product appears of good quality and made a huge difference in visualization of the front sight. Just get it!!
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Easy fit
simple, easy quick install to mk iv lite. Comes with 2 allen keys for removal of oem screw and install of TKs screw. Factory screw was EXTREMELY tight, twisted the allen key supplied by TK lol
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Fiber Optic front sight for Ruger Mark III & IV.
Way, way better than a drop of orange paint on stock front sight. Sight really stands out against steel challenge targets. Easy to install. Good stuff!!
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Fiber Optic Front Sight
An easy to install (it took me about 10 minutes) sight replaces the standard sight, and it makes a significant improvement in acquiring the front sight. Installation requires removing a single screw, replacing the sight, and re-installing that single screw. Couldn’t be much easier than that. The result is a front sight that’s much easier to acquire, and this improves aiming accuracy. This is a super affordable, easy to install product that results in a significant upgrade to the factory stock front sight. After the Halo Ring, this should be the next upgrade to a Ruger 22/45 Lite pistol.
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fiber optic front sight
i purchased hoping it would work on a pac-lite barrel. fits perfectly and is the same height as the original. this is a great value in fiber optic sights!
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I haven't used it yet.
It fits pretty nice
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Easy
To simple wrench included and extra sight slides for in but likes the lookin alough I had use OEM screw not a deal breaker I got a dot on but I like the look
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Trigger
Easy install, looks good and makes sighting superior.
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TandemKross Fiberoptic sight for Ruger MkIV 22/45
Installed the front sight. Improvement in aiming was immediate. So mych easier to focus aim on the target. Awesome product!