[Eric] does, and like everything else about reloading, trickling is serious business. Getting an exact charge of powder to add to a cartridge is not a simple task, and very tedious when done manually.
The PowderPro A1 from Bettersize Instruments is a 14-in-1 powder characteristics tester that delivers fast, simple, and accurate scientific test results including Angle of Spatula, Angle of Fall, ...