I've been using a REdding "precision" powder throw for some time.

typical uses are common rifle calibers. 243, 7-08, 308, etc. normal charges in the 40-50 grain range.

when I'm using "stick" powders (4320, 4350, etc) it's not uncommon for two consecutive powder throws to vary as much as 0.7gr per throw when weighed individually.

do yall see that much variation when you check it?

I see far less charge to charge variation when using spherical powders (TAC, Big Game).

just curious if maybe I need to take the whole thing apart and clean it or something.

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