Vermilion Posted December 20, 2011 Share Posted December 20, 2011 Is it possible to go from 9mm to 40sw? I doubt it is but, figured I'd ask before assuming anything. Quote Link to comment Share on other sites More sharing options...
dentedr Posted December 21, 2011 Share Posted December 21, 2011 You will need a complete upper (slide and barrel) and magazines to convert it. Quote Link to comment Share on other sites More sharing options...
Jody Waring Posted December 30, 2011 Share Posted December 30, 2011 Can you use a 9mm barrel in a .40 slide? Quote Link to comment Share on other sites More sharing options...
dentedr Posted January 1, 2012 Share Posted January 1, 2012 It will fit but the breechface of the 40 is bigger and you most likely will run into extraction issues Quote Link to comment Share on other sites More sharing options...
Jody Waring Posted January 1, 2012 Share Posted January 1, 2012 I wasn't sure if you could or not. I recall a number of years ago a shooter in Europe wrote somewhere that in his CZ-IPSC model in .40 he ran a 9mm barrel and magazines for practice. Haven't got proof to back it up,.. was just hoping someone could clarify if they had done it or not. Quote Link to comment Share on other sites More sharing options...
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