norton1090 Posted December 18, 2011 Share Posted December 18, 2011 Just got a M&P Pro 9mm and really like the gun but the slide only locks back on an empty mag once in about 10-12 mags. I have tried three different mags (all I have) and they all do it. Any one else have this problem? If so, any thing easy or is it on its way back to S&W? Quote Link to comment Share on other sites More sharing options...
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