I have no doubt at all that 24" is better for taking advantage of the AI version velocity and I appreciate you throwing it out there. I've been torn over it for a couple months now. I did receive advice that the AI version will also make easier bolt operation and extended brass life and make annealing all but a moot point. Fuj does have me thinking on his powder waisting sun burn though. Fuj also made me decide on the 1:8.5

My 116 WW in 30-06 (for this project), Zeiss HD5 3-15x50, scope rail, Warne rings, mag (empty) and B&C Medalist, currently weighs in at 9.0 lbs even.