mikeAZ Posted June 27, 2018 Share Posted June 27, 2018 (edited) I think I know the answer, BUT am I right, 9x23 is a tapered case, while 38 Super is straight walled case?.I have a friend who has an older gunsmith built 627, custom barrel, etc. It's 9x23 now (yes it is). He shoots 38 Super in his other 1911 style guns. I believe a Clymer 38 Super finish reamer will do this change?... He would like to get down to one caliber. Comments please. Edited June 27, 2018 by mike NM spelling Link to comment Share on other sites More sharing options...
Bill Sahlberg Posted June 27, 2018 Share Posted June 27, 2018 9x23 is bigger at the base than 38 Super, no reaming needed. Link to comment Share on other sites More sharing options...
ffl Posted June 27, 2018 Share Posted June 27, 2018 38 super body dia. .384 chamber dia. .3887 9 x 23 body .3911 Major dia. .381 Min. dia. Chamber .3921 Major Dia. .382 Min dia. These are from the SAAMI Drawings. David Link to comment Share on other sites More sharing options...
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