M&P 40 Failure to feed

[SilentWind]

M&P Shield 40, failure to feed problems. Factory ammo, haven't tried changing mags yet. Occurs with both mags that came with gun after firing 6-7 rounds goes out of battery. Has maybe 200rounds down range; so it's brand new in my book. Guide rod maybe. Thoughts?

 

[emory]

If it occurs randomly and nearly closes, but fails to fully return to battery: Strip it and carefully re-seat the recoil spring assembly keeping it well centered.

If it always happens on the last round in the magazine: Disassemble the magazines and flip the mag springs around underneath the follower. If the spring is backwards, there may be inadequate pressure to the nose of the last cartridge.

 

[b2busy]

M&P Shield 40, failure to feed problems. Factory ammo, haven't tried changing mags yet. Occurs with both mags that came with gun after firing 6-7 rounds goes out of battery. Has maybe 200rounds down range; so it's brand new in my book. Guide rod maybe. Thoughts?

Does the bullet nose make it into the chamber, or is it stuck nose down in the magazine?

 

[Muss Muggins]

M&P Shield 40, failure to feed problems. Factory ammo, haven't tried changing mags yet. Occurs with both mags that came with gun after firing 6-7 rounds goes out of battery. Has maybe 200rounds down range; so it's brand new in my book. Guide rod maybe. Thoughts?

Let somebody else shoot it . . .

 

[Rastoff]

Not enough information to draw any conclusions.

Do you have a picture of the failure? The easiest way to help is to know exactly what's happening.
Does it happen at a certain point in the magazine i.e. the first or last round or the 6th?
When did you last clean the gun?

 

[SilentWind]

M&P 40 Failure to feed

Sorry guys I posted on so many different forums in search of help. I finally contacted S&W they offered to send a replacement guide rod or me send in and they replace the guide rod. I sent it in came back with a new guide rod. I then shot about 400 rounds thru it with the same magazines with zero failures. I then sold it and purchased a Glock.

I just didn't feel right after that, being it was brand new. I know it happens and can happen with any brand. After a little research others had same issue and remediation was to replace guide rod. Happy with the Glock


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[Mulebuk Sam]

I then sold it and purchased a Glock.

I just didn't feel right after that, being it was brand new. I know it happens and can happen with any brand. After a little research others had same issue and remediation was to replace guide rod. Happy with the Glock

That's interesting I got rid of my Glock for catastrophic failure, meaning I could not clear with a simple tap and rack and went back to a revolver and now I'm as happy as a pig in do-do. I never trusted semi-automatics to begin with and that last failure was the final straw after never having a range session without multiple malfunctions but fairly easy to clear.

Interesting to note that Glock just recalled all of the new FBI 17M's. And the Feds have barely had them a month.


So the point is, it can happen to the 'so called' best of them out there and when it does you'll really feel let down.