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Discussion Starter #1
Gentleman came off the range and said our rental .40 had something wrong, "Here, drop the slide." I looked and the left-side slide release was missing so I had to use the right-side one.
Upon examination the exterior tab was completely snapped off, it didn't appear to have been torn or even have any metal fatigue; just a bright, shiny edge as though it had been sawn off.

Guess it's a good thing the M&P has ambi- slide release, or they'd have to slingshot the slide.:blink:
 

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That is a common problem. There is a design/manufacturing flaw that causes a weak point on the left side. It is a minor issue, unless you are left handed.
 

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Yeah, they break, but it's called a slide stop. As long as the slide still stops it won't hurt the function of the firearm. Replace it yourself, have S&W fix it or just keep shooting. :)
 

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From a thread on another forum, this seems to have been a "not unusual" problem with an earlier version of the slide-stop. The design has evidently been changed, giving a larger radius on the bend in the metal stamping to cut down on the stress at that point, but I don't know when the change went into production. Any replacement parts should be the new version.
 

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Guess it's a good thing the M&P has ambi- slide release, or they'd have to slingshot the slide.:blink:
What's so terrible about being forced into advancing the slide correctly? If this had happened to a left hander, in a defensive situation, during a reload... improper training might have taken another life.

Elimination, lack of education.
 

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