Originally Posted By: 2-piper
TW;
I also recall reading a statement by a balistition but likewise cannot remember who nor where. I seem to recall though it was in some old loading manual I had. Anyway he stated he could load a shell to about any pressure level you wanted just by varying the crimp.


I've read the same thing. Can't say I ever sent any off for pressure testing, greater crimp depth vs less depth. But as best I remember from what I read, greater depth=more pressure; less depth=less pressure. The source might be one of the powder companies, or maybe a reloading manual.