dondone Posted November 30, 2009 Share Posted November 30, 2009 Is it normal for the M3 breech to open partially by itself when using it in the pump mode? It's freaking me out and seems to be unnatural, not to mention unnerving. It's contrary to any other pump shotgun I have ever used. Appreciate any and all help/advice. Quote Link to comment Share on other sites More sharing options...
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