So after fire forming up some brass, I took out my first full ackley reloads in my 20" 22-250ai today, figured the muzzle blast would be terrible with the short barrel. After a few shots I ended up taking my earplugs out because it was so tame to shoot, very mild blast, not any more than a 223, suprised the heck out of me.

Load was 36 gr h4895 w/53 gr vmax. (Max load for parent case)

My question is the 4895 just fast enough to burn all the way up in that short barrel?