Some dies sets let entire reloading with 3 dies. Others may require a fourth die for that taper crimp. Taper crimping, in lieu of roll crimping, really should generally be accomplished Together with the 9mm. Cats, puppies as well as other animals genuinely put up with that. I figured out https://9mmbulletreloading95050.thenerdsblog.com/44038111/5-simple-statements-about-9mm-casing-explained