Anyone have any ideas for acceptable amount of RL 23 powder for use in the 280 AI max loads. RL 23 appears to be slightly slower than RL 22 and from looking at recommended loads for other calibers from Alliant it appears to be very close to a 1 to 1 conversion with usually slightly higher suggested loads for RL 23 that RL 22.
I've run up to 62.0 grains of RL-22 behind a 140 grain Nosler BT or AB. I love RL-22, but sadly, it has never been a preferred load in any of my 280 AI's.
You only live once, but...if you do it right, once is enough.
