ALWAYS make sure your bullet has exited the barrel after each shot until you have arrived at a reduced load that consistantly works!!!
Last year, I had to replace the barrel on a revolver that I ruined by messing with light loads. There were SIX bullets stacked up in that barrel by the time I realized something wasn't right. That incident should have cost me my right hand.
PLEASE please please be cautious when working outside of published loading data. It's not worth injury.
Merry Christmas,
The Blade