RCBS 2-Die Set 7.65mm Argentine Mauser (7.65x53mm Belgium Mauser)RCBS has been making some of the best reloading equipment for over 60 years. Their 2 Die sets are known in many reloading circles for their high quality. Each 2 Die Set includes a full length sizer die has an expander decapping unit to remove the spent primer while expanding the case mouth. Vent holes prevent case damage caused by trapped air or excessive lubricant. The seater die includes a bullet seater plug and built in roll or taper crimp as