markm1 Posted January 11, 2016 Share Posted January 11, 2016 (edited) I have a 9x21 barrel can I rebore out to 38 supuer Edited January 11, 2016 by markm1 Link to comment Share on other sites More sharing options...
Bamboo Posted January 11, 2016 Share Posted January 11, 2016 You can ream it to 9x23 and can shoot 38 super but you will be getting some case bulging. The spec for the 9mm/9x21/9x23 chamber is 0.391 at the chamber mouth, 38 super is 0.384. If you are trying to make open major have you thought about running 9major? You could probably run 9major in your 9x21 barrel pretty successfully. Link to comment Share on other sites More sharing options...
kneelingatlas Posted January 11, 2016 Share Posted January 11, 2016 Your 9x21 is most likely a small frame so the mags aren't long enough front to back to take 38 super. Link to comment Share on other sites More sharing options...
Glk21C Posted January 11, 2016 Share Posted January 11, 2016 ^^^^^ Link to comment Share on other sites More sharing options...
markm1 Posted January 12, 2016 Author Share Posted January 12, 2016 it is a silver team match EAA in 38 super ihave a 9x21 barrel comp on end of it Link to comment Share on other sites More sharing options...
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