urbanrifleman
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I don't mean to be dense and I appreaciate your patience.
My past practice has been to (1) shoot 5-shot groups @ 0.020 off the lands, increasing powder at 0.2 gr increments to find the best size group, starting about middle of the powder range. Then (2) play with seating depth to shrink down that group. Always worked in the past. TIll now.
Now lemme summarize what I think I hear you saying:
1. Find seating depth. Start at minimum charge, starting just tuching the lands increasing jump in .0005 increments. Find the best size group.
2. Find powder charge. At 0.020 off the lands, increase powder at 0.2 gr increments to find powder node.
3. Use that seating depth from # 1, and then fine tune powder charge in smaller increments.
Am I still missing it?
To start on the first day I use three shot groups repeated twice and half grain jumps (of course on smaller cases I use .3)
And then the rest of your post would be a "yes".