$101.24
Availability: In Stock
The RCBS 3-Die Roll Crimp Set for Group C straight-walled rifle cartridges is built for reloaders who work with large-capacity, straight-wall rifle rounds like .458-caliber ammunition. This three-die set handles the full sequence of case preparation and bullet assembly in one efficient workflow, making it a practical choice for handloaders preparing .458 ammunition at the bench. Whether you're loading hunting rounds or match ammo, this set covers the essential steps without unnecessary complexity.
The set begins with a full-length sizer die that resizes fired cases back to factory dimensions and removes the spent primer in one stroke. Cases will need to be lubricated before sizing to protect them and reduce friction. Once sized, the expander die opens the case mouth to the proper diameter, preparing it to accept the bullet while imparting a slight flare or bell at the mouth—a critical step for reliable bullet seating and feeding in most straight-wall rifle actions. The roll crimp seater die then finishes the job, seating the bullet to your desired depth and applying a roll crimp to lock it securely in place.
RCBS has engineered these dies for durability and repeatability, using steel construction that stands up to the pressures and wear of regular reloading. Roll crimping is especially valuable for straight-wall cartridges and rounds that see heavy use or recoil, as it prevents bullets from creeping backward in the case under pressure or handling. If you're setting up a dedicated .458 reloading station or adding to an existing press setup, this three-die set delivers the core tools you need to produce consistent, safe ammunition.
| Brand | RCBS |
| Die Type | 3-Die Roll Crimp Set |
| Cartridge Group | Group C Straight-Walled Rifle Cartridges |
| Caliber Focus | .458 |
| Included Dies | Full Length Sizer Die, Expander Die, Roll Crimp Seater Die |
The set contains a full-length sizer die (which also de-primes), an expander die, and a roll crimp seater die. These three dies handle sizing, case mouth preparation, bullet seating, and crimp application.
Yes. This set is designed for Group C straight-walled rifle cartridges and is labeled for .458 caliber, making it appropriate for reloading .458 rounds.
Yes. Cases must be lubricated before sizing to ensure smooth operation and protect case integrity during the sizing process.
A roll crimp applies pressure around the bullet's circumference at the case mouth, locking the bullet securely in place. This is particularly valuable for straight-wall cartridges, which may experience bullet creep under heavy recoil or repeated handling without a crimp to hold the bullet back.
SKU: 167523938 • Width: 4.5in • Height: 1.75in • Depth: 5.95in • Weight: 1.9oz
Availability: In Stock
The RCBS 3-Die Roll Crimp Set for Group C straight-walled rifle cartridges is built for reloaders who work with large-capacity, straight-wall rifle rounds like .458-caliber ammunition. This three-die set handles the full sequence of case preparation and bullet assembly in one efficient workflow, making it a practical choice for handloaders preparing .458 ammunition at the bench. Whether you're loading hunting rounds or match ammo, this set covers the essential steps without unnecessary complexity.
The set begins with a full-length sizer die that resizes fired cases back to factory dimensions and removes the spent primer in one stroke. Cases will need to be lubricated before sizing to protect them and reduce friction. Once sized, the expander die opens the case mouth to the proper diameter, preparing it to accept the bullet while imparting a slight flare or bell at the mouth—a critical step for reliable bullet seating and feeding in most straight-wall rifle actions. The roll crimp seater die then finishes the job, seating the bullet to your desired depth and applying a roll crimp to lock it securely in place.
RCBS has engineered these dies for durability and repeatability, using steel construction that stands up to the pressures and wear of regular reloading. Roll crimping is especially valuable for straight-wall cartridges and rounds that see heavy use or recoil, as it prevents bullets from creeping backward in the case under pressure or handling. If you're setting up a dedicated .458 reloading station or adding to an existing press setup, this three-die set delivers the core tools you need to produce consistent, safe ammunition.
| Brand | RCBS |
| Die Type | 3-Die Roll Crimp Set |
| Cartridge Group | Group C Straight-Walled Rifle Cartridges |
| Caliber Focus | .458 |
| Included Dies | Full Length Sizer Die, Expander Die, Roll Crimp Seater Die |
The set contains a full-length sizer die (which also de-primes), an expander die, and a roll crimp seater die. These three dies handle sizing, case mouth preparation, bullet seating, and crimp application.
Yes. This set is designed for Group C straight-walled rifle cartridges and is labeled for .458 caliber, making it appropriate for reloading .458 rounds.
Yes. Cases must be lubricated before sizing to ensure smooth operation and protect case integrity during the sizing process.
A roll crimp applies pressure around the bullet's circumference at the case mouth, locking the bullet securely in place. This is particularly valuable for straight-wall cartridges, which may experience bullet creep under heavy recoil or repeated handling without a crimp to hold the bullet back.
SKU: 167523938 • Width: 4.5in • Height: 1.75in • Depth: 5.95in • Weight: 1.9oz