The RCBS Shell Holder #21 is a hardened steel shell holder designed to align cases with reloading dies in single-stage and turret presses. It is sized to fit #21 case heads and is identified in some listings for use with 303 Savage cases. The holder captures 0.125 inch of the case head to support proper SAAMI headspacing during reloading operations.
Key Specifications
- The shell holder size is #21.
- Compatible cartridge listed in source data: 303 Savage.
- The material is steel, specified as hardened steel in manufacturer notes.
- Designed for use in single-stage and turret presses.
- Case head capture is 0.125 inch for SAAMI headspacing support.
- The product type is listed as press shellholder.
- Dimension (overall) is 0.65 X 1.90 X 5.95.
- Height is 0.6500 (units as provided in source data).
- Width is 1.9000 (units as provided in source data).
- Length is 5.9500 (units as provided in source data).
Durable and precisely sized, the RCBS Shell Holder #21 is a straightforward component for reloaders who value consistent case alignment and reliable headspace control. Its hardened-steel construction and specific sizing make it a practical addition to a reloading kit for those who load cartridges compatible with the #21 shell holder designation.
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.
