Some dies sets make it possible for full reloading with 3 dies. Other individuals may perhaps need a fourth die for your taper crimp. Taper crimping, as an alternative to roll crimping, should constantly be carried out While using the 9mm. My current get for the Lee 9mm carbide "undersize" https://9mmreloading88074.glifeblog.com/36409985/5-simple-statements-about-9mm-casing-explained