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.22 lr case rupture

This is a discussion on .22 lr case rupture within the Ruger Single Action forums, part of the Pistol & Revolver Forum category; I feel like some of you are focusing on being right rather than actually reading my response; so I'll reiterate it for the 3rd time. ...


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Old February 25th, 2020, 02:37 PM   #16
 
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I feel like some of you are focusing on being right rather than actually reading my response; so I'll reiterate it for the 3rd time. It is not a .22 magnum cylinder. It has been thoroughly cleaned and a .22 magnum will not fit. I did that first thing after returning from shooting before posting. It has always been thoroughly cleaned after every range session if it was a .22 magnum cylinder this problem would have appeared long ago in the 1000+ rds its fired. It did not come with a .22 magnum cylinder when purchased, it was .22 lr only; the magnum had been lost. When I purchased it, as mentioned before, I checked that it was not a .22 magnum both by asking which it was and the owner stating .22 lr, he had lost the magnum and by inserting a .22 magnum into the cylinder, it would not fit. The gun was clean and the previous owner very competent and trustworthy. That is not the issue.
As noted in the original posting, it is not the same 2 cylinder holes every time, it jumped around. I marked the chambers that had split cases, fired again and a different chamber would split when it happened.



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Old February 25th, 2020, 03:33 PM   #17
 
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Could be a batch of brittle cases , something like during the manufacturing process a annealing step was missed or simply the brass used was defective .
If you have the box and some fired split and unsplit cases on hand , notify Remington and see if they would like to take a look at the problem ... I have a sneaking suspicion the problem is the brass .
Did any of the rounds sound louder than the others like perchance they contained an over load that split the case ?
I'm still betting the brass cases are the suspect .
Gary
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Old February 25th, 2020, 04:11 PM   #18
 
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You got a bad cylinder or bad ammo. What else could it be? If it happens with different ammo, than, guess what?

Last edited by wayne0; February 25th, 2020 at 04:18 PM.
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Old February 26th, 2020, 05:02 AM   #19
 
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Try the ammo in another 22 and if it splits the cases in another, I would contact the manufacturer, and send them the information that they will request. There are too many chances for a mishap causing injury for them to excuse this.

Sorry for the un-implied use of a magnum cylinder in your gun.

WR
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Old February 27th, 2020, 03:12 PM   #20
 
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A friend asked me to analyze a problem with his Redhawk 44mag. He routinely fired 44 specials in the revolver and, he stated, rarely cleaned the firearm. His issue was he could not get mags to load. Naturally the poor gun was hopelessly fouled. After a thorough cleaning everything was back to what you’d expect from a well maintained Redhawk. The point is it took extraordinary scrumming to get this thing to work again. So, check and recheck that cylinder, it may, indeed, be a magnum in hiding!
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Old February 27th, 2020, 03:13 PM   #21
 
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Oh, and after a good scrub post the results, I’d like to know!
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Old February 27th, 2020, 03:30 PM   #22
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It's speculation without being able to see the damaged brass or the cylinder. It would take a very generously over sized chamber to allow good ammunition to split full length. It does happen in a .22 mag chamber. We keep going back to that, because we have seen it so often. The early cylinders weren't labeled and it is easy to mix them up. I have seen people brag they have been doing it for years without a problem. I take one look at the fired brass and know its not a good practice.

If we are accepting the event of a .22 mag cylinder as impossible, then we must establish if the ammo has the same result in another firearm. My preference would be in a bolt action that completely encloses the cartridge. I'd recommend gloves and goggles if you cant fire it in a vice remotely.

I did once encounter a gentleman that had been cleaning his chambers by spinning the bore brush in a drill. It wallowed out the chambers and caused cases to bulge and become stuck in the cylinder. If the dimensions of the cylinder are correct ... we go back to the ammo.

Last edited by Frontiersman; February 27th, 2020 at 03:33 PM.
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Old February 27th, 2020, 05:47 PM   #23
 
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Only split cases ever had was in my Ruger Sp-101 327 fed. mag shooting 100 gr. feds. Again they were probably older ammo. as factory rounds hard to come by. Now reload and have no split cases. Get diff. ammo. Now reload with remaining fed cases and new starline brass. Going to start loading 115 grs. and will try with .5 percent from max. and see if still split. Now on your issue check the cylinder on entry and out the exit toward the forcing cone. Thinking maybe someone tried to hone the cylinder and goofed? Otherwise use different ammo and see if still splits. I use CCI now that hoarding over and no issues with my single 10, heritage combo or my sr-22. Shot up my golden bullets that I bought in the 1980's after sitting for over 35yrs+in my single 10 with no issues. Good luck
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Old February 27th, 2020, 07:01 PM   #24
 
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Quote:
Originally Posted by Iowegan View Post
Wildtoad, Walther PPK/s is a totally different animal. It is a pistol that is notorious for firing out of battery ….. no cylinder like a Single-Six.

I'm convinced the OP's cylinder is a 22 Mag and the reason why he can't insert 22 Mag cartridges is the chambers are badly fouled from shooting 22 LRs.
I think I am going to have to agree with Iowegan on this one. The 22 mag cylinder is in and 22 mag won't fit because of fouling from the 22lr ammo.

If that isn't it, it could be a bad lot of ammo. Try shooting another brand and see.

Finally if you get split cases with another brand of ammo and it is NOT a 22 mag cylinder you have over sized chambers. Get an erasable marker and mark the cylinder that the split case came out of. Then load and repeat. It could be the reason it was sold. Ruger should fix it.
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Old February 27th, 2020, 09:26 PM   #25
 
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I think I would shoot that ammo in another gun, viced if you could. I like playing it safe. 😁
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Old February 28th, 2020, 03:34 AM   #26
 
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Quote:
Originally Posted by Montana09 View Post
It is not a .22 magnum cylinder. It has been thoroughly cleaned and a .22 magnum will not fit. I did that first thing after returning from shooting before posting. It has always been thoroughly cleaned after every range session if it was a .22 magnum cylinder this problem would have appeared long ago in the 1000+ rds it's fired.
Montana09, you "asked and answered" your own question.
The *only* variable in the last 60 rounds was the ammunition brand.
940+ rounds of some other brands = no problems.

60 rounds of Remington = problem.

I've seen this before, and usually attributed it to being given a mason jar of .22 ammunition of unknown age. "Here... I got more than I can use."
Thanks old-timer.
Three different bullet configurations, a couple of different headstamps.
Some corroded and discarded for disposal - most were not.
Most shot and were fine, some split.

Given that it's .22 LR not .22 Mag?
I was shooting in a firearm adequately sized for and offered in .32 caliber?
I didn't stress on it.
I did note the ammunition in-general, was far more 'dirty' shooting than CCI MiniMags.
I hate dirty ammo.
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Old February 28th, 2020, 06:09 AM   #27
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The obvious thing to do is call Ruger CS and see if they can check out the cylinder or have a gunsmith verify it is a 22 LR and within spec. Horizontal splitting sure sounds like an oversized cylinder regardless of what it was intended to be. If it is ok then the ammo sounds undersized, maybe .20 RF

Guess we know why the competent and trustworthy previous owner wanted to sell it, ya the one that "lost" the 22 mag cylinder.

Last edited by terry_p; February 28th, 2020 at 06:12 AM.
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Old February 28th, 2020, 11:59 AM   #28
 
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I've since fired the gun with other brands of ammo and had no issues at all so I'm chalking it up to a bad batch and leaving it at that. The few rounds I had left of that box were fired without an issue, although there weren't enough left to really call it a scientific test.
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Old February 29th, 2020, 05:25 PM   #29
 
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Thanks for the update.


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Old March 1st, 2020, 12:04 PM   #30
 
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If he had a mag cylinder even with a bunch of fouling a magnum would still go so far into that cylinder. He has repeatedly said it is not a mag cylinder.
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