>>5682I think you're probably on the right track with shotgun shells since even on the real ones, the brass is a small part of the shell. Of course you can try electronic ignition as well like the Shinzo Abe shooter. Doesn't look like he made it to be reloaded in the action, so that would work for sure. You can make a black powder pistol, blunderbuss whatever, easily. The reloading and not jamming is the hard part. A breach loaded shotgun would probably be the best for clearing failed cartridges and etc.
>Breach load shotgun>homemade shells>electronic ignition