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Need Help Diagnosing Mag Problem

2K views 4 replies 4 participants last post by  dado7 
#1 ·
Last night I was at the range shooting my M&P9c. I have shot more than 300 rounds without a single failure of any type. I recently bought a second pinky extension mag from S&W. Here's my problem and I'm not sure how to describe it to S&W:



When I fired the pistol using that magazine, the round would fire, but the slide would hestiate as it returned to the forward position...almost catching onto to something. The next round would chamber and fire, but the slide did the same thing. When I used my other 2 mags, no problem at all. Is this the same as the mag drop problem that I've read so much about or is it something else?



Any suggestions would be greatly appreciated.
 
Discussion starter · #5 ·
Jester / Sigman,



Thank you - The mag was more difficult to load than the other 2. I will load it and let it sit for sometime and then try it again. That's why I love this forum....and my M&P.
 
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