Hammer, Sear, and "Blast Shield" Installation Instructions
TANDEMKROSS RUGER 22/45 Victory Trigger Installation Instructions
The Ultimate Trigger Kit for Ruger® Mark IV™ and Mark IV™ 22/45™ is a match set ONLY - DO NOT use any other brand of sear or hammer with the TANDEMKROSS Ultimate Trigger Kit for Ruger® Mark IV™ and Mark IV™ 22/45™
At a glance:
- Victory Trigger optimizes trigger pull thanks to built-in pre- and post-travel adjustability for fast and smooth trigger resets
- Radiused sear and hammer interface for clean crisp repeatable trigger pull.
- Approximately 2–2.5lb trigger pull (results may vary)
- Neutrally balanced, drop-safe sear
- Highly impact and wear resistant, heat treated, S7 hardened tool steel for long-lasting, optimized performance!
The Ultimate Trigger Kit, by TANDEMKROSS is the ULTIMATE upgrade for the Ruger® Mark IV™ and Mark IV™ 22/45™!
This Kit is a completely new take on the Ruger® Mark IV™ & 22/45™ fire control system! Every part of the trigger mechanism has been redesigned to reduce trigger pull weight and boost safety and reliability. The lubricant coating on the hammer and sear provide a consistently smooth hammer-sear interface right out of the box!
The lighter [TK] hammer results in a higher velocity and decrease mass resulting in reduced lock times.
The TANDEMKROSS “Blast Shield” Magazine Disconnect promotes proper magazine alignment for consistent and reliable feeding while protecting the hammer and sear from debris and build up, making maintenance easy.
The Ultimate Trigger upgrade is a MUST-HAVE for rimfire competitions, small game hunting and anyone who wants a high-performance trigger system in their Ruger® Mark IV™ & 22/45™.
This Kit Contains:
- Flat-faced, skeletonized design for better control
- Textured trigger face offers no-slip grip in any condition
- 100% adjustable for pre- and post-travel
Thunder Hammer and Lighting Sear
- Safely and reliably decreases trigger pull weight
- Provides consistently clean and crisp trigger break
- American-made and guaranteed for life
Blast Shield Magazine Disconnect
- Allows for safe removal of the magazine disconnect
- Facilitates proper magazine alignment
- Shields sear and hammer from debris, boosting performance
The TANDEMKROSS Ultimate Trigger Kit for Ruger® Mark IV™ & 22/45™ installs easily and offers an unrivaled boost in performance and reliability!
Upgrade your Ruger® Mark IV™ or Mark IV™ 22/45™ with the Ultimate Trigger Kit today and be ready to take on any type of rimfire shooting; great under pressure or just for fun!
Supported Models:
- Ruger® Mark IV™ 22/45™
- Ruger® Mark IV™ 22/45™ LITE
- Ruger® Mark IV™22/45™ Tactical
- Ruger® Mark IV™
- Ruger® Mark IV™ Tactical
- Ruger® Mark IV™ Target
- Ruger® Mark IV™ Hunter
- Ruger® Mark IV™ Competition
Already have the [TK] Victory Trigger? Find all the other internals components in the “Blast Pack” for Ruger® Mark IV™ & 22/45™.
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.
38 Reviews
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ultimate trigger kit
good news, i installed the trigger. bad news, the old trigger spring flew into outter space while taking it apart. better news, the ultimate trigger didnt require it! easy to tune and feels really good. now i want a bolt.
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Good kit
This kit results in a nice trigger pull. The instructions are a bit lacking. I tried to remember how the parts I was pulling out were oriented in the pistol but inevitably there were two parts that required some type of "pretzel" installation and the written and video instructions didn't show how they were oriented during install. I have built 1911's and 2011's but it took me two hours to install this kit. You need 4 hands and 8mph wind at just the right time to invert the sear spring over the ledge in the sear while inserting the sear pin through the sear. If you have never installed one of these kits in a 22/45 buckle in and order a rubber stress ball or just grab a wooden stick to bite down on.
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Game Changer
I bought a new Mark IV and the trigger was rough to say the least. It had a lot of creep and a heavy pull. This trigger took out all of that and really makes a precision difference .
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Ultimate Trigger Kit
Well worth the time and money. The installation video was very thorough and easy to understand. I just got back from the range and it works flawlessly.
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Ultimate Trigger Kit for Ruger M-IV 22/45 & M-IV
Being 76 years old it may have taken me a little longer to install this kit, aprox. 21/2 hrs. the install was NOT hard, old fingers don't work like young one's.The end results are GREAT, ended up with a 2lb trigger and I don't have to fiddle with the mag. Tandemkross did a GREAT job with this kit. HINT-- watch the on line vids at least twice.
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Best trigger
I loved my Ultimate Trigger, so I had to get one for the brides pistol. Easy to follow video makes the job of installing a breeze if you are patient. Release is crisp, you can set the over travel and have a very short reset. You need this!
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Ultimate Trigger kit
Bought 2 ultimate trigger kits and 2 victory triggers for ruger mark 4. Pre travel and over travel very nice on all 4. 2.5 lb tigger pull now very good triggers.
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Second purchase
Huge difference from stock trigger. Enjoy seeing the difference
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Mark iv blast pack
It was a little difficult to install for me. I am happy with the result, though. The trigger action is smoother and lighter than stock. It's a good improvement.
