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RCBS
The RCBS Full Length Die Set for .303 British reloading gives you the essential tools to produce consistently chambered ammunition for your classic rifle. This two-die set includes a full length sizing die and a bullet seater die—the foundation needed to resize fired cases and load fresh rounds that will feed reliably. Whether you're returning to a family heirloom or shooting .303 British in a modern build, this is the straightforward setup that lets you reload with confidence.
The full length sizing die handles the heavy work: it bumps the shoulder to your preferred headspace (with a cartridge headspace gage to dial in the exact bump), sizes the case body for easy chambering on the next shot, and decaps the spent primer. An expander ball runs through the neck to tension it correctly for your bullet. After full length sizing, the seater die seats your bullet and can crimp the case neck if you choose—just raise or lower the die in the press to enable or skip the crimp. Cases must be lubricated before sizing; a light coat helps the die work smoothly and keeps your press running clean.
RCBS die sets are built to last through multiple barrel and rifle lifecycles, and many shooters never need to replace them. They're the starting point for new reloaders and the trusted choice for shooters who want repeatable results without fuss. Pair this set with quality brass, primers, powder, and bullets, and you'll be producing reliable .303 British ammunition tailored to your rifle's chamber and your shooting goals.
| Caliber | .303 British |
| Die Type | Full Length Sizing and Seating |
| Number of Dies | 2 |
| Includes Crimp | Yes (adjustable) |
| Brand | RCBS |
RCBS recommends using a cartridge headspace gage tool to adjust the shoulder bump correctly in the full length sizing die. This ensures cases fit your specific rifle's chamber and prevents overstressing either the case or the bolt.
The seater die works with both full length sized cases and neck-sized cases, giving you flexibility in how you prepare brass between shots.
Yes—cases must be lubricated before full length sizing to allow the die to work smoothly and protect both your brass and your press.
The built-in crimp ring is optional. Simply raise or lower the die in the press to enable or disable the crimp, depending on your ammo needs.
RCBS
The RCBS Full Length Die Set for .303 British reloading gives you the essential tools to produce consistently chambered ammunition for your classic rifle. This two-die set includes a full length sizing die and a bullet seater die—the foundation needed to resize fired cases and load fresh rounds that will feed reliably. Whether you're returning to a family heirloom or shooting .303 British in a modern build, this is the straightforward setup that lets you reload with confidence.
The full length sizing die handles the heavy work: it bumps the shoulder to your preferred headspace (with a cartridge headspace gage to dial in the exact bump), sizes the case body for easy chambering on the next shot, and decaps the spent primer. An expander ball runs through the neck to tension it correctly for your bullet. After full length sizing, the seater die seats your bullet and can crimp the case neck if you choose—just raise or lower the die in the press to enable or skip the crimp. Cases must be lubricated before sizing; a light coat helps the die work smoothly and keeps your press running clean.
RCBS die sets are built to last through multiple barrel and rifle lifecycles, and many shooters never need to replace them. They're the starting point for new reloaders and the trusted choice for shooters who want repeatable results without fuss. Pair this set with quality brass, primers, powder, and bullets, and you'll be producing reliable .303 British ammunition tailored to your rifle's chamber and your shooting goals.
| Caliber | .303 British |
| Die Type | Full Length Sizing and Seating |
| Number of Dies | 2 |
| Includes Crimp | Yes (adjustable) |
| Brand | RCBS |
RCBS recommends using a cartridge headspace gage tool to adjust the shoulder bump correctly in the full length sizing die. This ensures cases fit your specific rifle's chamber and prevents overstressing either the case or the bolt.
The seater die works with both full length sized cases and neck-sized cases, giving you flexibility in how you prepare brass between shots.
Yes—cases must be lubricated before full length sizing to allow the die to work smoothly and protect both your brass and your press.
The built-in crimp ring is optional. Simply raise or lower the die in the press to enable or disable the crimp, depending on your ammo needs.
