This RCBS full-length two-die set is designed for reloading bottleneck cases for the .300 Winchester Magnum cartridge. It includes a full-length sizer die with an expander-decapping unit and a seater die with a bullet seater plug and roll crimper. The sizer brings cases to SAAMI minimum cartridge dimensions and features vents to reduce the risk of case damage from trapped air or excess lubricant.
Key Specifications
- The set includes 2 dies: a full-length sizer and a seater.
- Caliber is .300 Winchester Magnum.
- The sizer is a full-length die intended to size the outside of the case and control headspace.
- The expander-decapping unit is integrated into the sizer to de-prime and expand the neck for bullet seating.
- The seater die includes a bullet seater plug and a built-in roll crimper for secure seating.
- The sizer die features vents to help prevent case damage from trapped air or excessive lubricant.
- Headspace is held to minimum tolerances during full-length sizing to minimize case body length change.
- Thread style is standard 7/8-inch-14 (typical RCBS die thread).
- Carbide construction: No (standard steel dies).
This RCBS Full-Length 2-Die Set provides the essential tools for consistent, repeatable full-length sizing and seating of .300 Winchester Magnum cases. Its vented sizer, integrated expander-decapping, and roll-crimping seater support dependable case preparation and bullet retention for precision reloading routines.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
