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Old March 20, 2005, 04:56 PM   #1
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Join Date: May 29, 2002
Location: Illinois :(
Posts: 550
Why's my 1911 doing this?

When collecting brass at the range today, I noticed that a small % of my spent primers had a hard to identify extra ding in them. I thought it might be related to my reloads, but they were present on brand new WWB.

The gun could have been doing this since the dawn of time - only recently have I started critically eyeing the brass. What causes something like this? They're really weird because the striker mark is nice and precise - there's just that extra ding on it. I know 1911's are supposed to be mean to brass, but what the heck?

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Old March 20, 2005, 05:07 PM   #2
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Location: The Sunny South
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It looks like your pistol is beginning to unlock before the firing pin gets out of the way. A new firing pin spring would probably take care of this.
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Old March 20, 2005, 05:11 PM   #3
Mike Irwin
Join Date: April 13, 2000
Location: Northern Virginia
Posts: 39,088
It's called firing pin wipe.

A lot of guns do this, and it's perfectly normal.

My EAA Witness in 10mm looks like the primers have been stamped with a piece of barstock.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza

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Old March 20, 2005, 05:19 PM   #4
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Gotcha. That would make sense - the gun's coming up on 5 years old with many many rounds and no major spring replacements (besides the recoil spring).
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