TANDEMKROSS Ruger MK4™ 22/45™ "Cornerstone" Thumb Ledge Installation Instructions
At a glance:
- Oversized, 1911-style safety ledge
- Enhances factory safety
- Improves hand placement for better grip, control
Whether you’re a competitive shooter working to improve your speed and accuracy or a weekend plinker looking for better control over your pistol, a strong, proper grip is key. The new "Cornerstone" Safety Thumb Ledge for Ruger® MKIV™ 22/45™ from TANDEMKROSS is the ideal upgrade to boost your control!
The oversized, 1911-style safety ledge, made from anodized aluminum, enhances the external factory safety, without modifying the internals of the safety mechanism. This drop-in part is easy to install and does not change the internal components of the gun. Installation of the "Cornerstone" Safety Thumb Ledge for Ruger® MKIV™ 22/45™is also a great opportunity to remove the factory ambidextrous safety, which can pinch some users' fingers while shooting.
The Ruger® MKIV™ 22/45™ aluminum safety ledge offers an ideal thumb placement for a secure grip and provides consistent hand positioning and helps to control muzzle flip. This is one of the best Ruger® MKIV™ 22/45™ accessories for competition shooters. Get your "Cornerstone" today and lay the foundation for a better grip!
Please note: The "Cornerstone" installation utilizes a factory spacer included in your original box. This part is referenced on Page 23 of the original Ruger® manual. If you cannot located this spacer, please contact TANDEMKROSS or Ruger® and we can assist you with locating one.
Supported Models:
- Ruger® MKIV™ 22/45™
- Ruger® MKIV™ 22/45 Tactical™
- Ruger® MKIV™ 22/45 LITE™
Don't forget, all TANDEMKROSS products are Made in the USA and come with a LIFETIME guarantee!
WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
77 Reviews
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Safety Thumb ledge
This "ledge" is quick to use especially drawing from a holster at Steel Challenge. My thumb naturally finds the safety and depresses as the gun comes to firing position. Very good design.
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Safety Thumb Ledge
The Thumb Ledge works great, does the job, allows you to lock up and steady your hold on the 22/45. For me, it cut down on the shaking and wandering of the barrel. Well made and fine fit like all of the products I have gotten from TandemKross.
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Must Have
No matter what shooting discipline I’m competing in I try to take as many variables as I can out of the equation so I can concentrate on the goal. For me the Ruger MK-IV 22/45 safety was too easy to accidentally engage with my right hand thumb joint as I brought the gun up. A helpful fellow competitor allowed me to try the Safety Thumb Ledge and I was instantly a fan. It eliminates any chance of an accidental safety engagement and it also provides solid feedback for engagement of the safety at the end of a string. 6-Stars!!!
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Cornerstone Thumb Ledge
Great option for right handed users. This in conjunction with the Thumb Rest by Striplin Custom Guns gets you a great consistent grip for improved accuracy.
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Safety thumb ledge
I paired this with their thumb rest and what a difference it made to my hand grip. Allows gun to be more stable in managing recoil and transitions. Installation is easy as per instructions. Great product.
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Comfortable
This gives an actual comfortable place for your thumb to sit especially if you have larger hands. Now I don't feel like the safety is in the way of my grip. Had an issue with the first one I received but TK resolved the issue quickly and a replacement was sent.
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My thumb didn't like it
Product was sell make and exactly as described, but proved to be uncomfortable.
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Cornerstone safety
Awesome product! High quality little anodized aluminum safety. Such a vibrant color. Nothing but quality when I shop with Tandemkross.
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Safety Thumb Ledge
This Cornerstone Safety Thumb Ledge is very comfortable as a thumb rest and feels like it provides added stability on the grip. It does not have an audible click when toggling the safety on & off and feels a bit mushy though. Flipping it up into safe mode with the thumb from the bottom side of the ledge is not as comfortable or easy as I expected. Also, gripping with the thumb under the safety is no longer an option, but then again it does precisely what it's designed to do which is for the thumb to comfortably ride the safety. Overall, I'm very glad to have this upgrade on my pistol!