RE: Round ball plinking loads??
I've had pretty good luck using 80gr of Pyro with .490 RBs and .015 patches out of my Knight in-line..........fired 25 rds and removed all of the black (6" diameter) from the target shoting offhand at 25yds.
"Every moving thing that liveth, I give unto you as meat" (Gen 9:3)
Trust God..........but keep your powder dry!