Calvin,
The "dram" refers to black powder. On modern shotgun shell boxes useing smokeless powder they list the dram equivilent (ie: 3 Dram 1 1/8 oz of shot). In other words this load will drive a 1 1/8 oz load @ 1200 fps. So, your dipper will have 3 dram (black powder) on one side and 1 1/4 oz of shot on the other. FF will work just fine. FFF will be a little faster and you do not need it. In the old days they loaded their shells to about 1080 fps.
Harry
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