Failure to feed issue - MP-Pistol Forum

Failure to feed issue

This is a discussion on Failure to feed issue within the MP SHIELD Pistols forums, part of the Smith & Wesson MP Forum category; Hi, I picked up a Shield 9mm a couple weeks ago. The first thing I did was field strip it down and lube it up ...


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Old June 13th, 2016, 05:45 PM   #1
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Failure to feed issue

Hi, I picked up a Shield 9mm a couple weeks ago. The first thing I did was field strip it down and lube it up and look it over. It was dry as a bone so I'm glad I did. Anyway, I brought it to the range and shot it well for the most part. Had a slight problem with left and low when I wasn't right on target, but, for the most part I shot well and zero malfunctions. That was fifty rounds of American Eagle 115 grain target rounds and I was thrilled. Then this last weekend I went back to the range, they gave me Federal 115 grain target rounds, shot terrible and worse yet had 7 or 8 failure to feeds and 3 or 4 time the slide failed to stay open after the last shot in the magazine. I'll take the blame for the terrible shooting but the malfunctions really concern me. I did not clean the gun between trips to the range, but, I only shot 50 rounds and usually clean my Glocks every 200 rounds or more sometimes. I did clean the gun really well after the second time and everything looked pretty clean, but, I went through the motions and re-did everything. Hoping for better results next time. I'm thinking of going with 124 or possibly even 147 grain bullets instead of 115 to help with the failure to feed problem. Any suggestions?
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Old June 13th, 2016, 07:39 PM   #2
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Sounds like the second ammo was lower powered and that caused you problems, the easy recommendation is to use the first ammo.

I've added a shooting error chart to help with your shooting.
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Last edited by G56; June 13th, 2016 at 07:46 PM.
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Old June 14th, 2016, 10:37 AM   #3
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That's what I was thinking too. If I have problems with the American Eagle that shot well the first time, then I think I have a problem on my hands
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Old June 14th, 2016, 11:30 AM   #4
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Also, welcome to the Neighborhood!
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Old June 14th, 2016, 03:22 PM   #5
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Make sure you weren't getting too aggressive on your grip either and causing the slide to slow down and / or blocking the slide stop lever.
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Old June 14th, 2016, 03:33 PM   #6
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The springs are still new and stiff, so you probably need to break it in where it will function with lower powered ammo later, which sounds like the federals were probably low powered. Give it about 500 rounds and I'm sure it will function fine then.
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Old June 16th, 2016, 02:26 PM   #7
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I found out what the problem is. It is the spring in the magazine broke and wasn't pushing the round up with enough oomph. S&W is sending a new spring for the magazine. With only a hundred rounds through the gun I would have thought they would have sent the whole magazine instead of just a spring but the main thing that s that in the end it works properly I guess.
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Old June 16th, 2016, 03:42 PM   #8
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That will do it!
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Old July 1st, 2016, 04:43 AM   #9
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Wow.

Pretty rare to break a mag spring. Glad you found it
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Old July 1st, 2016, 10:09 AM   #10
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Yeah, what's up with that! Freak breakage.
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