Speaking of pipe ... will plumbers need a background check for each porcelain appliance they connect with a pipe or just one per house?
https://www.offgridweb.com/survival/bui ... 0-diy-kit/
I believe I read that this is a functional .410 shotgun from pipe easily found on the Internet
For less than $35 in pipe fittings, you can complete the Pop-A 410 kit and have a single-shot shotgun.