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Old May 4, 2013, 10:30 PM   #1
Join Date: April 1, 2008
Posts: 21
9MM Case Blemish

I spent some time tonight at the reloading bench pulling some 9MM bullets. I noticed some strange blemishes on a few cases. Attached is a picture of the largest blemish. This was not there when I loaded the cases the first time. Any idea what it is and is the case still safe?
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File Type: jpg 9MM Case.jpg (83.0 KB, 104 views)
Waketurb007 is offline  
Old May 4, 2013, 11:39 PM   #2
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It appears more like a discoloration vs a wear or a buffed off area. If this is the case and there is no case material, brass, removed to any depth then it should be OK.
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Old May 5, 2013, 07:19 AM   #3
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It is corrosion on the brass. Fine steel wool will remove the corrosion and allow you to see the pit that will be beneath it. I have often removed such corrosion, and then worked down the brass to the pit with en emory board to see how deep into the case-wall it was. Most of the time the pit is not deep enough to be a concern. From your picture, I think that if you remove the corrosion the pit will be shallow-ok to use and shoot.
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Old May 6, 2013, 10:39 PM   #4
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I know that if you leave it alone, the case will function just fine.
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