I’m early into the load development for these, but this is 3rds from my ladder test at 300 yards.
42.0gr (2798fps), 42.2gr (2787fps), 42.4gr (2805), respectively. RL16, gm205, 144gr lrht, 1x fired Lapua brass. These were seated 2.116” b-o, I just used the same die setting as I use for the 140gr...