75 gr Scirocco II (SAAMI Length: 2.350") Recommended to try loading at 2.330 if no way to measure ogive. Recommended to load .050 off of the lands if you can measure ogive.
Tested in a 24" 1/8 twist .22-250:
H414: Max - 38.3 gr (3442 fps) - 96% load density Varget: Max - 33.3 gr (3390 fps) - 84% RL-17: Max - 37.2 gr (3440 fps) - 93% IMR4895: Max - 33.8 gr (3407 fps) - 85%
Recommended to start loads at 2 grains below max and work up in .4 gr increments.