Larry,
I've loaded many lbs. of Unique, myself. But, knowing this fella's tendency to "push the envelope", I suggested something I deemed to be less dangerous for him. I got him to give me the rest of the shells he had loaded. I'll try to remember to cut one open and weigh the charge. I'd be willing to bet it was above the max load recommended for modern guns, and I also knew he was going to be using compression formed hulls, which I also advised him against. Fact is, he just didn't believe high breech pressure would blow a chamber. He still doesn't, most likely.
Unique is a good, but dirty, powder. But, it certainly isn't my first choice for low pressure loads. YMMV.
SRH
