RE: bp shotgun ????
Oz. Shot Dr. Powder Gr. Powder
3/4 2 55
7/8 2 1/4 62
1 2 1/2 68
1 1/8 2 3/4 75
1 1/4 3 82
1 3/8 3 1/4 89
1 1/2 3 1/2 96
1 5/8 3 3/4 102
1 3/4 4 109
1 7/8 4 1/4 116
2 4 1/2 123
2 1/8 4 3/4 130
2 1/4 5 137
this might also help a little.