Originally Posted by JagmanFL

I've learned the hard way to not stick with one publication, or even two. I too use Accurate Powders. I load for my .357 J-frame. I wanted to try some #9 powder for the first time. Western Powders says the start load for 158 Hornady XTP at 1200 fps is 12.4grs. Lyman Load Data starts at 13.4 grs for the same load. I loaded 20 rounds as an experiment at 12.4 grs. Thinking it was the safer load. I went to the range, and KABOOM. Damn near blew the gun out of my hand with a huge explosion.