Some dies sets let total reloading with a few dies. Other folks may well need a fourth die for the taper crimp. Taper crimping, rather than roll crimping, should normally be finished with the 9mm. That staying reported, Roddy Toyota swears by crimping the hell out of jacketed also, and https://griffinoydla.buyoutblog.com/36241256/getting-my-9mm-projectile-to-work