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Breech Face erosion?

This is a discussion on Breech Face erosion? within the MP Pistol Tech Help forums, part of the Smith & Wesson MP Forum category; Originally Posted by KRWeiss Minor milling marks don't mean "out of spec" or used. Are you privy to the specification? Please share the maximum surface ...


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Old April 20th, 2015, 04:01 PM   #16
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Quote:
Originally Posted by KRWeiss View Post
Minor milling marks don't mean "out of spec" or used.
Are you privy to the specification?

Please share the maximum surface finsh, depth of face, and the surface treatment specification and thickness.

Last edited by Woodys2718; April 20th, 2015 at 04:10 PM.
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Old April 21st, 2015, 08:16 AM   #17
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Thats what i thought.

Just an fyi. In manufacturing we dont base decisions on terms such as Minor or opinions based on a visual inspection. In specification or out of specification is based on data.
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Old April 21st, 2015, 11:05 AM   #18
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To answer your question: I'm not privy to any publically available specifications, no.

In asking this challenge question, while you intend to show your superior knowledge, you reveal your true ignorance. FYI, in a highly competitive corporate environment, when/if you disclose privileged manufacturing "data", you're fired and most likely sued.

P.S. I didn't make the determination that these milling marks were minor, or even that they were milling marks, several previous posters did (while not in so many words). I can say they aren't Breech Face Erosion, although that has already been stated also.

P.P.S. My comment, which you've taken exception to, was pointing out that these guns are tools, used for dirty work. Not freshly pressed shirts to make you look good, computers to make you feel more important online (I'm using my cellphone most of the time, although it is the latest and greatest of cellphones), or cars that flaunt your perceived status.
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Old April 21st, 2015, 02:26 PM   #19
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KR you're a wise guy... literally!

I asked you a question I knew you couldn't answer, in doing so, I simply pointed out the fact you can't make the determination the minor milling marks are not out of specification. You don't know the specification therefore you don't know what is acceptable or unacceptable. You can merely give an opinion, not state in spec or out of spec, or minor this or that.

What is all this talk of cellphones and cars about? I don't recall stating anything about how pretty a gun should look.

Yea, I could consider myself having superior knowledge with 28 years in the manufacturing business with 26 of those years in Quality Assurance.

I realize with your vast knowledge of firearms you're feeling challenged/ threatened, henceforth the ramblings, but this wasn't my intent. There comes a time when your comments back you into a corner, this just so happens to be one of those times.
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Old April 21st, 2015, 06:02 PM   #20
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Yea im just following you around the forum big guy.
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Old April 21st, 2015, 09:03 PM   #21
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OK guys, knock it off!
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Old April 22nd, 2015, 01:54 PM   #22
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If it's functioning properly then I wouldn't be concerned, personally. I can't imagine anything causing the breech face to erode or become very damaged.
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Old April 24th, 2015, 05:42 AM   #23
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My M&P was made in June of 2014 and the breech face looks just like OP's pictures. It was my first handgun and I honestly hated how the machining mark is rough on the breech face.

On another forum, someone had a similar situation with their M&P's breech face and he contacted S&W. He shipped it to them and S&W send it back to him saying there isn't any problem with the pistol and apologized about the roughness of the breech face.

That being said, I took my M&P out to the range twice and I've put 1070 rounds down range without any failure of any kind. The pistol functioned flawlessly. So if I was you OP, I wouldn't worry about it. Just take it to the range and test it and have fun!
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Old April 24th, 2015, 06:27 AM   #24
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https://pistol-forum.com/showthread....nty-experience

This thread shows a glock breachface cracked from dry firing without snap cap.
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