RCBS 15469 Supreme Full-Length Die Set for .300 Win Mag

The RCBS 15469 Supreme Die Set provides a complete setup for reloading .300 Winchester Magnum cartridges. Designed for dependable case preparation and bullet seating, this four-piece set combines an RCBS Full-Length Die Set with a compatible shell holder and Chamber Case Length Gauge. It is a practical choice for reloaders who want the essential tools for sizing, priming, expanding, seating, and checking cartridge case length in one coordinated package.
The full-length sizing die helps return fired brass to dimensions suitable for reliable chambering in standard .300 Win Mag firearms. The seating die is designed to position bullets consistently, supporting repeatable cartridge assembly when used with properly prepared components and carefully selected load data. The included shell holder helps secure cases during the reloading process, while the Chamber Case Length Gauge provides a convenient way to check case length and identify cases that may require trimming or additional inspection.
Built by RCBS, the Supreme Die Set reflects the brand’s focus on practical, durable reloading equipment for rifle shooters and handloaders. The set is intended for use with .300 Win Mag cases and is suitable for reloaders developing a consistent case preparation routine. Always follow established reloading manuals, inspect brass before use, verify die adjustments, and use only components and load data appropriate for the .300 Winchester Magnum cartridge. This RCBS set offers a consolidated solution for reloaders seeking full-length sizing capability, bullet seating support, case retention, and case-length checking in a single package.

Features:

• Caliber: .300 Winchester Magnum

• Die Type: Full-length rifle die set

• Set Contents: Four-piece configuration with dies, shell holder, and Chamber Case Length Gauge

• Brand: RCBS

• Part Number: 15469

• Application: Case sizing, bullet seating, case retention, and chamber case-length checking