Hello to Dave,
The Marshall Enterprises info sheet, maker of the HULME automatic case feeder shows the following:
"The Mark III is equipped to handle five (5) calibers, .38 ACP, .45 ACP, .45 Auto Rim, .38 Special and .44
Special."
" The Mark IIIA is equipped to handle eight (
calibers. .38 ACP, .45 ACP, .45 Auto Rim, .357 Mag., .41 Mag., .44 Mag., .45 Colt Long, and .30 Cal. M1 Carbine."
I hope this helps.
Semper Fi
MikeA