The RCBS 3-Die Roll Crimp Set for .44-40 Win RN Jacket is designed to support consistent reloading of straight-wall cartridges. The set includes a hardened steel sizer die that sizes the case and de-primes; note that cases must be lubricated for proper sizing. It also provides an expander die to prepare the case mouth for bullet seating and a seater die that seats the bullet and applies a roll crimp.
Key Specifications
- The set configuration is a 3-Die Roll Crimp Set intended for use with compatible straight-wall cartridges.
- Caliber compatibility is listed as .44-40 Win RN Jacket.
- The set is intended for loading straight-wall cartridges and is not described for use with bottleneck rifle cases.
- The sizer component is a hardened steel Sizer Die that sizes the case and de-primes.
- Case lubrication is indicated as required for the sizer die to operate correctly.
- The Expander Die expands the case to the proper diameter and imparts case mouth flare to accept bullets reliably.
- The Seater Die seats the bullet and roll crimps to eliminate bullet movement in the case.
- Packaging is described as Green Box for storage and identification.
- RCBS states the dies are machined to exacting tolerances and finished to industry standards.
- Manufacture origin is listed as Made in USA.
- Listed weight value is 1.5 (see notes regarding units).
This RCBS roll crimp die set offers a durable, tolerance-focused option for reloaders working with .44-40 Win RN Jacket cartridges. Its hardened sizer, expander, and roll-crimp seater are engineered to support consistent case sizing, bullet seating, and crimping for repeatable assembly during reloading sessions.
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.
