Only Lee dies permit charging the case while expanding the case mouth. Every Lee 3-die Set includes the Powder Through Expanding Die at no extra cost. The Powder Funnel adapter can be replaced with a Lee Auto-Disk Powder Measure for fully automatic powder charging while the case mouth is being expanded. Shellholder sold separately.
Powder Through Expander Die
Plastic Storage Case
Allows you to charge the case while expanding the case mouth.