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Safe Homemade Black Powder Ball Mill

1grind the ingredients separately 75 potassium nitrate 15 charcoal 10 sulfur in a coffee grinder blender or best is a ball mill. see the black powder and grinding paragraphs on the propellant page. also see how to make black powder in the free 1979 manual. dont forget to wet homemade black powder and dry it again to get to full.

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