The RCBS Group B 3-Die Taper Crimp Set is intended for reloading straight-wall cartridges chambered in .50 Action Express. The set provides full-length taper crimp functionality with a steel sizer die that sizes cases and de-primes, an expander die to prepare the case mouth for bullet seating, and a seater die that applies the taper crimp. Cases must be lubricated for full-length resizing and reliable operation. This set is designed for reloaders who require consistent case preparation and seating for range use and precision reloading tasks.
Key Specifications
- Compatible caliber is .50 Action Express.
- The set includes 3 dies.
- Carbide in dies: No.
- Product type is Taper crimp, full length.
- The sizer die is made from steel and also de-primes cases.
- The expander die imparts case mouth flare/bell to accept bullets and aid feeding.
- The seater die seats the bullet and applies a taper crimp.
- Listed dimensions are 1.75 x 4.45 x 5.95.
This RCBS Group B set delivers the essential dies for consistent taper crimping and full-length case sizing in .50 Action Express reloading. Its straightforward design emphasizes repeatability and dependable case preparation for experienced reloaders seeking practical, no-nonsense tools for their reloading bench.
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.




