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Question on S&W M&P rifle?

1287 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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If they are the Thermold mags, just trash 'em. They suck.

I love the Pmags.
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.
Substandard equipment for zombie apocalypse? I think not! :D
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