RE: What's your proceedure for working up a rifle load?
I usually load 3 different sets of 10 rounds. I load just under max for one load and then step the power charge down at 100fps intervals. Bag these load seperately and use three rounds through the chrony and the rest I shoot on two different days to find out which give the best groups.
Main point is rifling, does the rifling in the barrel suit the bullet choice you have made?
In the .22 cal I'm sure it does.