Measuring powder with empty brass cases?
Seem to me using an empty cartridge case to measure out powder is no different than a pre-measured Brass Charger. The only difference between the two: a Brass Charger is period correct. A modern cartridge case used for that purpose needs a (name?) Lets call call it: a gen-u-ine generic, hybrid, watch-U-call it, _for openers. Y'all got something different in mind. What?
"Do not follow where the path leads, rather go where there is no path and leave a trail."