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Old 08-07-2017, 07:26 PM
njl njl is offline
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Quote:
Originally Posted by NCW Ray View Post
It happens with a lot of different brands of pistols. My opinion is it's fine if you are playing games, but I wouldn't like it in a self defense situation and the reason being is this. Whether this will happen with M&P's I don't know, but I had an officer tell me his dept issue Sig P229 40s&w was malfunctioning. He said it wasn't chambering a round when inserting a partially loaded magazine during a drill. We were able to replicate the issue easily and what was happening was he was inserting a 1/2 loaded magazine with enough force to cause the rounds to compress the magazine spring and in turn when the slide went forward automatically it wasn't able to strip off the top round. He had to recycle the slide to chamber a round. Like I said, I don't know if this will occur with the M&P mags, but it's something to keep in the back of your mind...if it should just go "CLICK"
Sorry about the necro-thread, but I've been googling for a couple days trying to find anyone else talking about this issue. I've only just recently encountered my Glock 19 doing this (failing to strip the top round) when slamming in 15 round mags loaded to 10 at a slide-lock reload. i.e. The slide does close...but the chamber is empty. Even with brand new mags, it'll do this.

Another shooter at the match where I just had this happen twice told me to use 10 round mags. I'm curious if there are any other fixes other than use full mags (can't in IDPA) or insert more gently and release the slide manually. I suppose maybe Wolff extra-power mag springs?
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