Hey tw, I also use 800-X for my 12ga Low Pressure loads. 800-X has worked well for me even in colder weather, no bloopers or duds.

I do weigh each of my powder drops for my hunting loads. It does meter crappy in my experience.

As to IMR vs. Hogdon, same powder, just different labeling, per Hogdon.

Best,

Greg


Gregory J. Westberg
MSG, USA
Ret