guidedmiscle Posted April 25, 2011 Share Posted April 25, 2011 is it ok to run 9x19 in a 9x21 chamber Link to comment Share on other sites More sharing options...
Joe4d Posted April 25, 2011 Share Posted April 25, 2011 that gun has a 9X19 topend also just run that one, But to answer your question, Sorta, you round will be headspaceing on the extractor, it might work most of the time but you will occasionally end up with a round stuck in the chamber. Id run the 9 for practice and load up the 9X21 for matches. Link to comment Share on other sites More sharing options...
whistlepig Posted April 25, 2011 Share Posted April 25, 2011 I have never had a 9x21, but I could only imagine that ignition would be undependable. In straight wall pistol cases, the case "headspaces" by the case mouth. The rear of the case rests against the breechface and the cartridge rim rests against the end of the chamber. You would be missing 2 mm..... The dies for one can work for the other with adjustment, just as most brands of dies in .40 are marked ".40/10mm." The actual OAL length of the two loaded rds is the same. The same bullet in a 9x21 is seated deeper. The mags and such work the same. I believe that the 9x21 came from a country that banned civilian use of military cartridges. Link to comment Share on other sites More sharing options...
rfwobbly Posted April 27, 2011 Share Posted April 27, 2011 Sorta, you round will be headspaceing on the extractor, it might work most of the time but you will occasionally end up with a round stuck in the chamber. +1.... And several failures to fire. Link to comment Share on other sites More sharing options...
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