redfisher Posted November 15, 2017 Share Posted November 15, 2017 I have a couple thousand D&J 135 grn 356 FMJ bullets, can I load them in a 9mm and shoot them down a 355 barrel? Link to comment Share on other sites More sharing options...
superdude Posted November 15, 2017 Share Posted November 15, 2017 Yes. Schuemann recommends a jacketed bullet of .001 to .002 inches larger, and lead bullets .002 to .003 inches larger for the best accuracy. Link to comment Share on other sites More sharing options...
jcc7x7 Posted November 15, 2017 Share Posted November 15, 2017 5 hours ago, superdude said: Yes. Schuemann recommends a jacketed bullet of .001 to .002 inches larger, and lead bullets .002 to .003 inches larger for the best accuracy. What he said! Link to comment Share on other sites More sharing options...
tomjerry1 Posted November 15, 2017 Share Posted November 15, 2017 I wondered the same, tried it, and works great Link to comment Share on other sites More sharing options...
MemphisMechanic Posted November 15, 2017 Share Posted November 15, 2017 Many of us shoot .356” coated bullets by the thousands in our 9mms. Link to comment Share on other sites More sharing options...
Furrly Posted November 15, 2017 Share Posted November 15, 2017 Load a round and do the plunk test.. There's your answer.. Good luck Link to comment Share on other sites More sharing options...
191138sc Posted November 15, 2017 Share Posted November 15, 2017 49 minutes ago, MemphisMechanic said: Many of us shoot .356” coated bullets by the thousands in our 9mms. +1 and with great results Link to comment Share on other sites More sharing options...
Miranda Posted November 15, 2017 Share Posted November 15, 2017 I like a .357 lead bullet for practice. .356 and coated is good. miranda Link to comment Share on other sites More sharing options...
redfisher Posted November 15, 2017 Author Share Posted November 15, 2017 6 hours ago, Miranda said: I like a .357 lead bullet for practice. .356 and coated is good. miranda These D&J's are 356 and jacketed Link to comment Share on other sites More sharing options...
4n2t0 Posted November 16, 2017 Share Posted November 16, 2017 1 hour ago, redfisher said: These D&J's are 356 and jacketed One thousandth of an inch, no problem. Have you ever slugged your barrel? You might be surprised at the measurement(s) you get. Link to comment Share on other sites More sharing options...
Miranda Posted November 16, 2017 Share Posted November 16, 2017 k... missed that detail. if your barrel is a 9mm... that should be .3554 and .3560 is only .0006 inches bigger... from some of what I have read, 9mm barrels sometimes are sized at .357. not a clue why that happens. Again, from what I have read, my results are inconclusive, jacketed and sized at .3550 are less accurate than .3560 Link to comment Share on other sites More sharing options...
superdude Posted November 16, 2017 Share Posted November 16, 2017 51 minutes ago, Miranda said: if your barrel is a 9mm... that should be .3554 and .3560 is only .0006 inches bigger... from some of what I have read, 9mm barrels sometimes are sized at .357. not a clue why that happens. SAAMI specs for a 9mm Luger barrel are a groove diameter of 0.355 +0.004. Thus, a 9mm barrel can slug from 0.355 to 0.359 and be within spec. Most of the 9mm barrels I've slugged are 0.356" or larger. Link to comment Share on other sites More sharing options...
Miranda Posted November 16, 2017 Share Posted November 16, 2017 specs can be such fun. that is why the question was asked about slugging the barrel. at some point one finds this kind of discussion will end up at "close enough" being an imperial trained soul, I can live with 9mm being .355 to .359 I gotta mention the nice folks who think metric is good, may well call it 9mm plus some tolerance... well, whats a half a thou? Link to comment Share on other sites More sharing options...
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