Something must be wrong with my arithmetic i guess. My calculation of the cost per shot is $0.48. This is for a 110g load of Blackhorn which actually weighs 77g, and a cost of $2.75 per ounce.
Even if it cost $0.70 per shot, i wouldn't hesitate to burn Blackhorn.
Fuel costs me a way more than powder, when i go shooting, or hunting. I don't eat out, don't drink scotch, don't go to movies, but i do shoot Blackhorn, eat venison, drink 'expensive' beer, and grow a garden.
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