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03-15-2021, 06:35 PM
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I recently purchased a used S&W 1006 10mm. Are the small chips and wear near the firi
I recently purchased a used S&W 1006 10mm for $1k-everything seems good on it except for small chips and wear near the firing pin hole. Is this anything to worry about? Suggestions?
Please see attachment.
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03-15-2021, 09:01 PM
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For peace of mind avoid the internet take it to a good gunsmith. It is worth the $$ to be able to shoot and enjoy it safely.
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03-15-2021, 09:58 PM
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I see nothing of concern in the image, though the area of concern is a bit blurry when zoomed in.
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03-16-2021, 12:53 AM
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It looks like erosion from gas leakage around the primer. It is generally a cosmetic problem - looks bad but normally does not affect function.
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03-16-2021, 06:59 AM
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Welcome to the S&W Forums.
I do not have a 1006, but I do have 9mm and 45 ACP S&W pistols. None of mine have any pitting on the breech face. An imprint from the primer and case head are normal, but pitting is not. Back in the day, when firearms were made of carbon steel and corrosive primers were common, it was not that uncommon to see a tiny bit of pitting on the breech face plus pitting inside the barrel, but unless someone had a bunch of old, corrosive primers and used them to reload 10mm Auto brass, I would not expect such a thing with a 10mm firearm.
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03-16-2021, 09:56 AM
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I've seen 40 S&W pistols that never saw a corrosive primer with erosion from primer leakage, so it is not confined to old, corrosive primed ammunition.
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03-16-2021, 11:02 AM
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Just a bit of corrosion due to gas leakage from the primer pocket. Very common and nothing to worry about here.
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03-16-2021, 06:11 PM
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Pres.Nixon, Having seen this before, I'd agree it is what Reloadforfun and Trooper said. If there is leakage around the primer, it is like a blowtorch to the breech face. Even one round fired where the primer leaked hot, very high pressure gasses, will damage the breech face. If the primer was pierced, under low magnification the tip of the firing pin will show pitting. None of us like it when this stuff happens, but as the other guys indicated, it does not usually affect function.
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03-19-2021, 10:56 AM
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Agreed it looks like primer pocket leakage. I think the issue most commonly occurs when firing reloads. I've been told that once it starts it will only get worse, but it will take many, many rounds before it starts to create an operational problem. Unfortunately, if I recall correctly, I believe the only fix is to replace the slide, re-mill the breech face (which would change the tolerances), or weld in a replacement breech face. Most folks don't worry about it until the erosion is really bad (and yours is not bad). Of course, I'm not a gunsmith, so don't take this post as the gospel.
Last edited by tocohillsguy; 03-19-2021 at 11:19 AM.
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03-19-2021, 12:10 PM
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Yes, you see this often with handloads, it's often a case of brass being stretched beyond its service life. However, you'll see this in any handgun that's seen extensive use. Most gun owners never encounter this because they simply don't shoot enough to put any serious wear on their guns. It's simply part of the wear and tear on the machinery. It also has to get pretty extreme before it becomes an issue, something the OPs slide isn't anywhere close to.
This is akin to people fixating on top strap flame cutting on a revolver, which is self limiting and not a problem except in extreme cases. It's a mole hill, not a mountain. OP, enjoy your pistol and drive on.
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03-19-2021, 02:44 PM
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Quote:
Originally Posted by Trooper224
Yes, you see this often with handloads, it's often a case of brass being stretched beyond its service life. However, you'll see this in any handgun that's seen extensive use. Most gun owners never encounter this because they simply don't shoot enough to put any serious wear on their guns. It's simply part of the wear and tear on the machinery. It also has to get pretty extreme before it becomes an issue, something the OPs slide isn't anywhere close to.
This is akin to people fixating on top strap flame cutting on a revolver, which is self limiting and not a problem except in extreme cases. It's a mole hill, not a mountain. OP, enjoy your pistol and drive on.
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FWIW, I experienced the issue with some reloaded 45s, and concluded it was caused by Winchester primers. When I switched to CCI the problem seemed to stop.
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