RCBS 35504 3-DIE SET .450 MARLIN

The 3-Die Roll Crimp Set is for loading straight-wall cartridges. Its steel Sizer Die sizes the case and de-primes. Note: Cases must be lubricated. The Expander Die expands the case to 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.Specifications and Features:Standard 7/8-inch-14 thread. A shell holder is not included with this die set.