I have the RCBS electronic scale. And with extruded powders such as RL-15 'n such, your just gonna have that. If you look at how the electronic scale works, it's going to give that tube that has powder in it a little turn to drop a dab of powder into the tray.
Well....It's just a best guess by a machine that has no "eyes".
Now, I find my RCBS much more accurate and a bit quicker loading ball powders such as BL-C2. But, every once in a while it will under\over throw those by .1 of a grain.
For a 400 yard shot from a 22-250, .1 grain isn't going to make a difference unless your going for an ear shot on each one.
Dave
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