"Load it with #4 buck. Very light weight, with .44 magnum power."
Well, my calculator tells me a 240gr .44 makes about 1045ft/lbs of energy. A 3 inch .410 holding 12 #4s at 1100fps makes 650 ft/lbs total. More like 38 Special power.
if my memory serves 38 special is lucky to make 300 ft/lbs.