Shot some 56-50 loads with 12 grs of Trail Boss today.
This is a serious load with which I would definitely hunt deer and bear. I believe MLV's recorded velocity.
The rest of the time I shot 8 gr/TB and love it. So does the carbine. Accurate, hard hitting on steel out to 100 yds. For that I sat, my best shooting position.
Our first CAS event is the last Sunday of the month. I'll be shooting the Spencer and a new pair of 7-1/2" 44-40s.