My Current Mildcat/Wildcat is the "6.35x32mmSR STEWART" which is listed in "Ammoguide International" 'Cartridge Master Database as their Cartridge number 950. It Was Published on September 1st this Year. Parent is a 5.7x28 that is Neck/shoulder Expanded to fit a .250" Bullet then reduced in body diameter to .276" nominal as a 'straight walled' case.
13.8 grains H2O Estimated Volume. So far I am working starting LIGHT loads to use in a Rebuilt Stevens 1915 Favorite Action. With charges starting at 1.0 grains of Bullseye, and increasing by 0.1 grain steps. Bullets are of two types: a 74 grain Lead RFN GC .257 Sized down to .252" or .251" and a 50 Grain FMJ-RN Jacketed one.
Best Regards,
Chev. William
ADDED 20161220: Copy of Ammoguide #950 Drawing for 6.35x32mmSR Cartridge Case
I have an 8-shot cylinder that is Reamed with PT&G ".250ALRM" Chamber reamers to use in my Ruger Converted Single Eight Revolver to fire this cartridge design with a OAL of 1.395" to 1.400" (shorter than the Rifle loading OAL).
Chev. William