Some dies sets allow for comprehensive reloading with a few dies. Other individuals may possibly require a fourth die for the taper crimp. Taper crimping, instead of roll crimping, should generally be done Along with the 9mm. The under images and details are from an excellent in-depth write-up from Lucky https://9mmbulletcasing66429.topbloghub.com/44028930/getting-my-9mm-reloading-brass-to-work