You didn't mention which drum you're using.
Mostly because I have no idea
Was a freebie that I got with a used Lyman Spar-T. I believe the previous owner was loading .45 Colt with it - large maybe? When I first tried it as it was set (measure bolt set to lvl 4?) just to get an idea of what the numbers on the bolt meant, it darn near filled the little scale pan to the brim - I didn't think to weigh that initial charge - was pretty easy to figure out that it was way