Quote:
Originally Posted by Lost Lake
The factory 9mm barrel actually works better than the aftermarket barrels do.
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Prove that statement. My KKM 40-9 barrel works 100% and is very accurate. It fits the breechface perfectly unlike a factory 9mm barrel which produces a slight gap at the top.
M&P 9mm barrels have been criticized for accuracy problems up until recently when S&W changed the twist rate and design.