I totally agree that forming 17 Fireball, or 17MIV, is a pain, but during the winter, I always do a few.
I start with a deprimed once fired military 5.56, or a 223. Swag the primer pocket.
Ultrasonic clean, lube, and size with a 221 TRIM die.
For my 17FB, I ground down a shellholder, just...