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Question on S&W M&P rifle?

1285 Views 15 Replies 7 Participants Last post by  spikesfan
I am having problem with some mags not allowing the bolt to lock once empty. This only seems to happen on some mags. I was told to change the plates out inside the mags. I am not sure why some work and some dont. Thinking of going to Magpul mags. Any ideas?
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jbpmidas said:
Spring? If the springs are not strong enough in the mag. What kind of ammo?
They are new plastic mags. Unloaded. I don't think it is a weak spring issue
jbpmidas said:
New doesn't necessarily mean good. If some mags work, and others don't, then there is most likely a problem with that mag. If they were cheapies, I might put them up for the end of civilzation. You might try a new spring or one of the magpul followers. I bought a couple of the pmags from muddawg95yj on this forum. PM him for a good price if you decide to go that route.

Off topic, but I noticed you have a couple of .45's. What do you do with your brass?
Ok I got the picture, they are cheap mags. I will get some magpul mags. Thanks.

PS: As for the brass. I have not been shooting for a while but I will keep you in mind about the brass.
I found the problem. CHEAP mags purchased off the internet. You get what you pay for... lol
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