M&P 40 breech wear - MP-Pistol Forum

M&P 40 breech wear

This is a discussion on M&P 40 breech wear within the MP Pistol Tech Help forums, part of the Smith & Wesson MP Forum category; I've been shooting my M&P40 in Limited for about 2 years and about reaching 10K rounds. It's been a mix of factory .40 and major ...


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Old May 1st, 2017, 06:15 AM   #1
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M&P 40 breech wear

I've been shooting my M&P40 in Limited for about 2 years and about reaching 10K rounds. It's been a mix of factory .40 and major power factor reloads.

I noticed something new while cleaning it. It looks like the barrel really wore down a piece of the breech face where the side of the barrel hood meets the breech? I've attached pics and didn't notice anything as far as function and accuracy. I'm not sure is this wear is normal. There were no shavings or metal dust that I noticed when I wiped down my gun. Is this type of wearing normal?



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Old May 1st, 2017, 06:55 AM   #2
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Send it back to S&W, they will give you the proper answer your looking for. They can tell you far better than the internet can. All you`ll get here is guessing & opinions.
There could possibly be some other issues with the gun that could be hidden.
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Old May 1st, 2017, 10:13 AM   #3
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I've done that already. i'm checking to see if anyone else has run into this issue.
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Old May 1st, 2017, 08:42 PM   #4
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Quote:
Originally Posted by FormerlyJason View Post
I've done that already. i'm checking to see if anyone else has run into this issue.
And what did they tell you.
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Old May 2nd, 2017, 09:20 PM   #5
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Another M&P shooter on BENOS ran into a similar issue. The rep I spoke to at S&W was that it was nothing to be concerned over.
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Old May 2nd, 2017, 09:31 PM   #6
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Another M&P shooter on BENOS ran into a similar issue. The rep I spoke to at S&W was that it was nothing to be concerned over.
If i were that S&W rep, i would be VERY concerned about the product a customer has, that would be considered customer service loyalty. At the least, if i were S&W, i would have had the customer ship it back so i could make sure nothing else is going on with the weapon, instead of just guessing that nothings wrong. Damn these companies are just lazy and dont really care anymore.
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Old May 3rd, 2017, 09:57 AM   #7
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Not necessarily the company, its really the people they have answering the customer service lines, some of them are incompetent, others just plain lazy. I don't know about S&W, but many companies contract with phone rooms offsite, many of those aren't even in the USA, just about anyone has had an experience of talking to a customer service person whose accent suggests the person is from India, and they often have no idea what they are talking about. The phone rooms inside the USA have a really high turnover and many only pay minimum wage so you don't really attract qualified, caring reps.
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Old May 3rd, 2017, 01:36 PM   #8
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I think it is the barrel, but by extension-- at first I though the barrel lugs, but it's too high, so maybe it's the casings chipping away at it? Which means the chamber could be off or loose?

I'm wrong though. Maybe try to find another tech at S&W for their opinion.
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Old May 3rd, 2017, 06:55 PM   #9
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Well it seems I'm not the only one. As it's not an isolated incident.

I've had nothing but good interactions with S&W's customer service. I would trust a company like S&W wouldn't steer me wrong.

I'll take it to my gunsmith when I have the chance. But I'll take the companies word for it.
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