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 from TANDEMKROSS is the ideal upgrade to boost your control!
Now available for the MKIV™, the oversized, 1911-style Safety Thumb 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™ is also a great opportunity to remove the factory ambidextrous safety, which can pinch some users' fingers while shooting.
The aluminum Cornerstone 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™ accessories for competition shooters. Get your Cornerstone Safety Thumb Ledge 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 locate this spacer, please contact TANDEMKROSS or Ruger® and we can assist you with locating one.
Supported Models:
- Ruger® MKIV™ Standard
- Ruger® MKIV™ Target
- Ruger® MKIV™ Hunter
- Ruger® MKIV™ Competition
- Ruger® MKIV™ Tactical
Please note: Some modification of the grips may be required for proper fit on Hunter and Target models that use the target wraparound wood laminate grips with finger grooves.
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.
23 Reviews
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Cornerstone thumb safety
A must have for any mark iv. Keeps me from hitting safety by mistake. Great for large hands and helps keep me on target.
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Excellent Thumb Ledge
The thumb ledge is well made and easily installed. Easy to switch the safety on and offers a nice location for my thumb. An excellent addition to my pistol.
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cornerstone safety thumb ledge for ruger mar4 target
I can't comment on the product yet, because I have problems with the customs office, who told me that they don't clear customs for gun parts and that I should arrange it myself, even though I haven't had any problems with the customs office in the past.
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Decent
Great for one hand shooting. Could do with a bit more surface area and sit higher, but I have big hands. Two handed grip its a bit low for my taste but it have a thumb ledge up front that works well for two handed grip. Easy install.
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Cornerstone for Mark IV
Great product. My second one. I highly recommend Cornerstone to anyone who owns and shoots a Mark IV, 22/45 or steel frame. Installation is not complicated, follow Bill's video closely.
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Safety lever
A must have! I love this!
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Cornerstone Safety
I shoot competitions with my Volquartsen modified Mark IV Competition. This safety allows me to use my safety more during competitions because it is easier to release after the pistol is on target. It does take a little while to get used too but, dry practice took care of that.
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Cornerstone safety thumb ledge for Ruger MKiv
Very trick product. It installed easily and looks great in the red on my pistol.
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Safety Thumb Ledge for Ruger® MKIV
I wanted this so I could rest my thumb on the safety like I do my 1911s. Works like a charm. Quality product.
