RL 26, I have a pretty good load at 89.5 grains getting 2905fps. Es of 7 Sd of 2.5. Seated 0.015 off lands. Oal is 3.83 ish. I’m at work for another few weeks, don’t have my recipe book handy. I’ve run 33 with the 300 Bergers, getting 2835fps pretty easy load.