RCBS 3 Die Set .44 Mag/.44 Special

The 3-Die Roll Crimp Set is for loading straight-wall cartridges. The steel Sizer Die sizes the case and de-primes. Note: cases must be lubricated. The Expander Die expands the proper diameter to accept the bullet, and it imparts case mouth flare/bell for bullet feeding. The Seater Die seats the bullet and roll crimps.