I hit the range today, 37 degrees and calm. After boresighting and getting on paper at 50 yards I moved to 100 yards and set up 4 targets. I started with the shortest loads first, and got the best accuracy short.
The second-shortest load showed the most promise, coming in at 0.82" in 5 shots.
The shortest load looked okay, coming in just under an inch.
I think I'll try a couple hundredths between the two loads.
P