I've been loading 54 gr RL-17 under a moly'd 208 Amax. 22.5" bbl, 2650-2700 fps depending on time of year.



Did some load workup with moly'd Nosler 190 ABLRs a while back.

Same 22.5" bbl, RL-17

56gr - 2865 fps
57gr - 2915 fps
58gr - 2950 fps, primer starting to flatten a little.