Well today I loaded up 4 rounds for 7 different varget load weights.
Here's what I got.
Top left: 24.2
Bottom left: 24.4
Top right: 24.7
Bottom right:25.0
Top: 25.3
Bottom: 25.6
24.8
I started at 24.2, but I could have started lower. Should I just load up some 24.2s and test seating...