12ga Paper Shell Base Rimfire Primer
cults3d
A printable base for homemade paper shotgun hulls. Wrap and glue paper (2'x2.75-3") around an 18mm dowel to make the paper part of the hull. Use super glue to glue the tube onto the base. Coin wrappers can also be used if glued inside each other (dime inside penny) Ramset Nail gun blanks with the smokeless powder charge removed are used as a primer Black powder or ground up match heads should be used as a propellant, but smokeless should work too Fiber wads are recommended but any should work.
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