M&P 10MM Problem Solved?
I'm trying to tune my 4.6" M&P 10MM to reliably feed full powered 10MM rounds. I was having major failure to feed issues with hot loads in it's stock configuration. It seems that after changing the mag springs and the recoil spring, that I am so far having some success. Now i have to feed this beast a couple hundred more Underwood 200g hardcast before I am confident enough to carry my M&P into the woods.
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