Cornerstone Rotary Safety for Ruger® PC Carbine™ Installation Instructions
At a Glance:
- Ambidextrous, rotary safety; right or left hand friendly
- Allows for single handed use without having to break grip
- Clearly shows safe or fire from either side of the firearm
The TANDEMKROSS family of Cornerstones just got bigger! Introducing the Cornerstone Rotary Safety for Ruger® PC Carbine™.
While cross bolt (push-button) safeties are fairly easy to use, they can still be improved. One crucial flaw with the traditional cross-bolt design is that the only person who can easily, visually confirm the SAFE or FIRE state of the firearm is the user. Another weakness to be improved is that regardless of whether you are left- or right-handed, you have to break your grip at least once when toggling between SAFE or FIRE.
Our ambidextrous safety solves both of these issues with a single upgrade! The Cornerstone’s levers on both sides of the firearm visibly show a clear difference between SAFE and FIRE to the user and those standing nearby. You can also switch between SAFE and FIRE while maintaining a firm grip on the firearm with your shooting hand!
A toggle-style safety selector also reduces the possibility of an accidental button push. Resting your firearm on an uneven surface or something else bumping the housing could potentially switch a cross bolt safety from the intended SAFE or FIRE position to its unintended opposite. A rotary safety helps ensure a change in the firearm’s state must be intentional and helps to make it safer.
Cornerstone Safeties are already major upgrades for the Ruger® Mark IV™ and Mark IV™ 22/45™. The Cornerstone Rotary Safety was previously only available with the Manticore Trigger Assembly for Ruger® 10/22®, but can now be yours for your Ruger® PC Carbine™ or PC Charger™!
Make your life easier! Grab an ambidextrous Cornerstone Rotary Safety for Ruger® PC Carbine™ and make your good gun great today!
Compatibility Note: TANDEMKROSS’s Cornerstone Rotary Safety is compatible with factory Ruger® PC Carbine™ polymer trigger housings. Compatibility with aftermarket trigger housings is not guaranteed.
This product is protected against mechanical failure for life by TANDEMKROSS’s Lifetime Guarantee. Learn more about our warranty and returns policies here.
⚠️ 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
37 Reviews
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Rotary Safety for Ruger® PC Carbine
I had trouble with this simple install. watch the video. I was over-rotating the old safety too far. I turned the trigger upside down so I could see the rotation better and pressed the old one out while I rotated. When it hit the right spot it worked just perfect. I was the loose nut behind the wheel. what a great mod!
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Better to Toggle than push
I had some difficulty installing but that was prob. just me. The safety is so much easier to access by flipping instead of pushing.
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This is One "Bad" Safety
This Safety is legit! It is one "bad" in a fantastically great way. Is so much easier to operate. It's a great way to show that your gun is safe while competing or plinking. Our R.O's being able to tell a gun is "safe" more easily (especially the red version). Easy to install if you take your time & watch the installation video!
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TK Corerstone Safety
The safety itself it great. Install was a snap. I don't like ambi safeties. I removed the left side lever, (weak side) and cut the lever portion off. Profiled with a dremel and reblacked with Birchwood Casey Aluminum Black. The modified "button" now covers the left side of the safety barrel. I only run the safety with my strong hand trigger finger. TK should offer a one sided version of this safety. It would get 5 stars if they did.
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PC9 ROTARY SAFETY
Finally this safety is available for the PC9!!!!.... instantly purchased this item since I have one for my 10/22 and ABSOLUTELY LOVE IT FOR BOTH!!!!!.... don't know why Ruger didn't have these come with these rifles from factory!!!!.... if in stock, BUY THEM, YOU WON'T REGARD THE PURCHASE!!!!
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Not a Good Fit
I bought this rotary safety because I liked the switch function. When I swapped the safeties, I realized you cannot disassemble your weapon with this safety switch attached, like the original one. Having to remove the switches to disassemble the weapon would ve been a deal breaker for me. The PC9 already has too many screws for disassembly for me. I would not have added two more!
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Perfect safety PC9
I have the Cornerstone Rotary Safety on my 10/22 and couldn't wait for the PC9 version. Got it today installed it - PERFECT! As always, excellent product and service from TK.
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Almost perfect
Being from the world of correct-handed crowd, it is so nice to have companies make stuff like this, so we can be included in the fun. Thank you [TK]. After looking for almost 5 years for a PCC that works for a correct-handed person, it turns out none are perfect, none are 100% ambidextrous, some just cannot be fixed, the one or two that do almost work, well they tend to break the budget. Then there are after market companies who fix things on the ones that only need a tweak or two. For the Ruger PCC, the Cornerstone Rotary Safety is almost perfect. The one thing that would make it perfect is; if the levers did not have to be removed to pull the receiver from the stock. Thiner levers or turn the fat part inward, work wit Ruger to open up the stock? Anyway the Cornerstone Rotary Safety combined with the [TK] extended bolt stop bring the Ruger PC to a very desirable level of performance for a correct-handed person. Thanks again [TK]
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Awesome product
Probably my only gripe on this platform was the safety. TK knocked it out of the park with the product!!
