TANDEMKROSS Ruger MKIV and MKIV 22/45 Blast Shield Installation Instructions
- Allows for safe removal of the magazine disconnect
- Facilitates proper magazine alignment
- Shields sear and hammer from debris, boosting performance
- Ruger® MKIV™ Standard
- Ruger® MKIV™ Hunter
- Ruger® MKIV™ Target
- Ruger® MKIV™ Competition
- Ruger® MKIV™ 22/45™
- Ruger® MKIV™ 22/45™ LITE
- Ruger® MKIV™ Tactical
- Ruger® MKIV™22/45™ Tactical

107 Reviews
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Mr
The one I received will NOT fix on a Volquartsen hammer for. Ruger MK IV 22/45 Lite
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None
Excellent Quality
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MR
Great product works as described. Easy install. Fit and finish excellent. I have recommended it to friends
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Old geezer
Installd the BS disconnect (BS is correct),it made the MK4 much more friendly to use.installation was ok after watching the U-tube video, pay attention closly, take your time and there should not be any problems. Took 25 minutes start to finish. Works as as stated,little pricey,well made....
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Great part for your Ruger
Easy to install and makes a world of difference with the way the gun shoots. No more trying to grab a empty magazine to work on you gun or shooting that one round. Plus makes cleaning out your gun easier too.m
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Nice upgrade
Works exactly as advertised. The install was easier than I imagined, once everything is in aligned it is a breeze. Tandemkross makes upgrading your firearm fun and easy. I will be buying more upgrades in the future.
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owner
I personally dislike magazine dis-connectors, and this little part works perfectly to eliminate the bothersome thing. As with all Tandemcross products, it is beautifully made with excellent fit and finish. It is very easy to install.
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Mr.
Product seems to function as described and protects firing residue from getting in the hard to reach areas of a Mark IV. Disconnect functions flawlessly as expected. Installation is fairly simple but the video of the process isn't the best as I recall. There may be better videos out there by now. I was one of the earlier adopters of this device apparently. Overall, it does the job very well.
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Money well spent
Inexpensive and a useful upgrade . Quality made and pretty easy to install.