Using AA9, CCI 300 primers, 255 gr. (Lyman mold-commercially cast) KTSWC (GC), Starline brass.
Powder charge is 19.5 gr., +P laod in Ruger Bisley. Each charge individually weighed.
Took chrono to range for load development, accuracy phase.
Out of 12 rds. fired I had 3 hang fires; pop...