Some dies sets allow total reloading with three dies. Other individuals may possibly require a fourth die for the taper crimp. Taper crimping, instead of roll crimping, need to always be accomplished With all the 9mm. There was a huge discussion on below years ago about it, a great deal https://9mmbrassforsale54185.blog4youth.com/36964495/getting-my-9mm-projectile-to-work