They did used to make all-plastic shells so I imagine I'm just being paranoid, but better safe than sorry. Is the chamber of an ordinary shotgun capable of withstanding a typical load going off without a metal case to contain it? RST manufactures both 2 and 2 1/2 shotgun shells, as well as 2 3/4 shotgun shells that offer the widest range of. #1 I can simply test for and go back to the drawing board if necessary.
A plug made from layers of cardboard could be inserted, and a hole punched for the primer to sit in, and to transfer the flash to the powder charge.ġ) 100% paper/card construction might not be rigid enough to provide the resistance needed for the firing pin to reliably ignite the primerĢ) Factory shotgun shells might be made with metal bases because they play some crucial roll in containing the pressure from the burning/detonating powder charge - a paper base might over-pressure the chamber and be dangerous Potentially, I could simply make the hull and the base one and the same, with a disc of card added to form a rim and to seal the bottom of the shell. Wads, similarly, can be made with card cut and folded to an appropriate cup shape. It seems to me the easiest way to make hulls is to roll up stiff paper cylinders with a glue-on crimp. There is virtually zero information on this online, which is why I'm posting here! The final stage in ammunition self-sufficiency for me would be to make my own shells. Over the past few months I've taken up reloading, casting my own shot, and finally in the past couple of weeks I've successfully made my first batches of homemade black powder.
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