A little 'Heresy' to discuss.
Here are some photos of my resizing methods that I use for forming replacements for obsolete Cartridges, particularly .250" Caliber and .32 Caliber RF/CF cases:
(You need to Login or Register to view media files and links) This is the .250" diameter Drill Rod Expander Punch with ,from left to right, An expanded Hornet case, a Trimmed and partially resized Case (.250ALS length), and a full length resized case before turning the displaced Brass roll off above the Rim or turning the rim down to .25ACP diameters.
(You need to Login or Register to view media files and links) Shown is the 3/16 ID Fender washer used to space the case pu on the pocket swage punch, the Stripper Cup that goes over the punch, and the RCBS Small Primer Pocket Swage punch installed in my RCBS JR-3 Press.
(You need to Login or Register to view media files and links) Shown is the setup in place in the Press with the .25ACP Lee Carbide Sizing Die in the top, and a partially resized case on top of the 'washer=stripper cup-swage punch combo on the Ram.
(You need to Login or Register to view media files and links) This photo shows, from Left to Right, a .250ALS Cartridge (loaded with small rifle primer, 9.0 grains of 3Fg Goex, and a 50 grain FMJ RN bullet (this is one of a lot of cartridges I loaded to provide my Gunsmith with Test Cartridges for a Stevens 1894 Favorite in .25 Stevens that he is upgrading with stronger pivots and reworking a spare Breech Block form RF to CF, the .250ALS case uses the .25ACP rim dimensions, which work in the Stevens Chamber), a 'standard' .25ACP case, a partially reformed Trimmed Hornet case, and a Full length sized .25 Stevens/.250ALS case before turning the displaced Brass