Some dies sets allow total reloading with a few dies. Many others may well need a fourth die for the taper crimp. Taper crimping, in lieu of roll crimping, must normally be carried out Along with the 9mm. There was a massive dialogue on in this article yrs back over https://9mmbrass53962.blog-kids.com/36596104/the-2-minute-rule-for-reloading-9mm-ammo