At WBC 14 a very wise man told me that the chargemaster I was using at the time really wasn't up to the task.
Quite a few Guys were using them & he was quite correct.
It will show 51.5 for instance constantly but when checked with a proper scale they certainly aren't all 51.5 they can easily be .2-.3 either way.
Depending on the powder, powder throwers, even very good ones, will have the same sort of variance, the coarser the powder the worse it gets.
Not that I think it makes any difference, especially on big cartridges, would do on something like a 22 Hornet or subsonic rounds.
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