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Rimfire Firearms .22, .17 and other Rimfire Handguns and Rifles

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  #1  
Old 05-06-2017, 7:21 PM
jclusin jclusin is offline
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Default DPMS 22lr Upper Chamber Damage

I broke the firing pin on my DPMS 22lr upper and it wound up dinging the chamber pretty good.

I am trying to find the Tom Menck chamber tool, but have found it's discontinued.

Is there anyone in the San Jose Bay area that has one of these?

https://www.midwayusa.com/product/77...ool-22-rimfire

I'm hesitant to take a tapered punch try to tap it back into place.

Any suggestions on where to find this chamber ironing tool?
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File Type: jpg dpms 22lr chamber.jpg (53.5 KB, 134 views)
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  #2  
Old 05-06-2017, 8:51 PM
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-hanko -hanko is offline
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Have you checked Brownells??
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Old 05-06-2017, 8:55 PM
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OniKoroshi OniKoroshi is offline
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Never knew this existed! Nice!
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  #4  
Old 05-06-2017, 9:05 PM
jclusin jclusin is offline
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Nobody has it in stock, not even Brownells. I could try calling them on Monday but I have a feeling their online inventory is reasonably accurate.
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  #5  
Old 05-18-2017, 4:47 AM
jclusin jclusin is offline
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Took it to a gunsmith and he was able to fix the chamber.

Now that I have the upper back, the Tom menck chamber tool is back in stock at Midway.
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  #6  
Old 05-27-2017, 6:47 PM
sloppy joe sloppy joe is offline
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Dang that chamber looks bad I have to check my upper for damage now. Can you post a picture of the repair? Thanks
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Old 05-31-2017, 7:36 AM
jclusin jclusin is offline
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Here is the chamber after getting it back from the gunsmith.

I've only put about 100 rounds through it since getting it back.

I'll update when I've had a chance to run more rounds through it.
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  #8  
Old 05-31-2017, 1:57 PM
sloppy joe sloppy joe is offline
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Great repair
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  #9  
Old 05-31-2017, 4:48 PM
jclusin jclusin is offline
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Quote:
Originally Posted by sloppy joe View Post
Dang that chamber looks bad I have to check my upper for damage now. Can you post a picture of the repair? Thanks
Do you dry fire your DPMS 22lr upper? If so, you don't have any damage near the chamber do you?

I think mine only got damaged because my firing pin broke and was able to protrude further than the bolt.
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Old 06-06-2017, 2:03 PM
thauglor thauglor is offline
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I had the same problem on one of my 22s, a round file and some fine sand paper wrapped around a wooden rod made the chamber great again.
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