The guys on a benchrest forum I frequent seem to have decided that the volume of the charge is more important than the weight. Most of them have migrated to high-end measures, and use scales only when they are developing loads.
The only caveat is they didn't shoot or test much past 100 yards. Several guys, myself included, suggested some longer range testing, but those guys are pretty well shooting at 100 yards and no further in competition, and they didn't see any need to do anything else!
They spent a lot of time shooting groups with a series of weighed charges, increasing by 0.1 grain over a couple of grains, and concluded that the vertical and overall dispersions were not material within a good meter's error range.
They pretty much convinced me that a good measure, consistently operated, will equal or beat weighed charges at 100 yards. Guys were running the tests over and over with the same results.
For load development, I really like my RCBS combo. Weighing charges makes me feel calm, serene.
I must be getting old.
Wait,...I AM old!
The only caveat is they didn't shoot or test much past 100 yards. Several guys, myself included, suggested some longer range testing, but those guys are pretty well shooting at 100 yards and no further in competition, and they didn't see any need to do anything else!
They spent a lot of time shooting groups with a series of weighed charges, increasing by 0.1 grain over a couple of grains, and concluded that the vertical and overall dispersions were not material within a good meter's error range.
They pretty much convinced me that a good measure, consistently operated, will equal or beat weighed charges at 100 yards. Guys were running the tests over and over with the same results.
For load development, I really like my RCBS combo. Weighing charges makes me feel calm, serene.
I must be getting old.
Wait,...I AM old!

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