The RCBS 3-Die Roll Crimp Set is designed for loading straight-walled rifle cartridges in Group C, including the .458 Lott. The set includes a steel Sizer Die that sizes the case and de-primes, an Expander Die that prepares the case mouth to accept the bullet and imparts a bell for feeding, and a Seater Die that seats and applies a roll crimp. Cases must be lubricated prior to sizing; follow published loading data and safe reloading practices.
Key Specifications
- Manufacturer is RCBS.
- This kit is a 3-Die Roll Crimp Set.
- Intended for Straight-walled rifle cartridges (Group C).
- Caliber compatibility listed as .458 Lott.
- The Sizer Die is made of steel.
- Die functions include sizing/de-priming, expanding/belling, seating, and roll crimping.
- The set requires case lubrication prior to sizing.
- Designed for handloading straight-walled rifle cartridges by informed reloaders.
This RCBS roll crimp set delivers the fundamental dies needed to prepare .458 Lott straight-walled cases with dependable, straightforward operation. Its simple, purpose-built design makes it suitable for experienced handloaders who prioritize consistent case sizing, reliable bullet seating, and a secure roll crimp for feeding-dependent applications.
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.




