My .280 Imp. is the RCBS version, a ballistic twin to the AI.
My hunting load is 62.0 gr. of RL22 behind a 140 gr. Nosler Accubond bullet, which gives me 3180 fps and good accuracy out of my 23.5" barreled Ruger No. 1.
There's not a whole lotta room for more of this powder!
