R 23, Berger 135 Classic Hunter...
49 gr. ....2807
50gr.......2850
51gr.......2908
51.5.......2943
52gr.......2993
52.5gr.....3015 (easy bolt, but primer beginning to flatten)
Seems that 51.5 would be good place to call “max load”.


125 Nosler Partition, R23.
50gr. 2943
51gr. 2972
52gr. 3020
52.5gr. 3037
53gr. 3079
53.5gr. 3102
54gr. 3140
54.5gr. 3165 (light ejector mark-stopped here)

Probably view 53.5-53.8 as “Max Loads”.

Look forward to testing groups to see how they do w R23.