RC: "Due to the small hopper, I'm thinking it is a fixed capacity (bushing type) pistol measure."
You're probably right, I can't tell much about it's size from the isolated photo. It's made in the same style as some of the old shotshell dispensers so guessed that's what it is.
The RCBS "Lil' Dandy" was a copy of Lyman's "Accumeasure" rotary pistol powder measure of some 15-20 years ago. For once, I was smart enough to buy the complete set of bushings for mine when they were still available. Don't use it often but it works very good, I'm sure the Dandy does too.
Dean, if you have access to, or a friend has, a metal lathe you can easily turn some new bushings for it but unless you're REALLY lucky you won't be buying any.