22-250- 52 grain a max- wc-844 powder, last time i checked was moving around 3750 at the barrel.
all of these dogs where called into 100 yds . started out with a closed reed distress, waited a few min. and then did a pup fight, used a small horn howler with a growl and then a couple pup yips. they came running. and old painless put em down.