https://www.youtube.com/watch?v=VqEMSzFDTLg
or
https://www.military.com/defensetech/2015/10/12/raytheon-dis...
I have spare black powder. Time for a weekend project.
I bet "spare black powder" is one of those sentences that automatically puts you in some kind of list at some 3 letter gov agency.
It's fine, my country only has 4 letters gov agencies ^^
"Señora Benitez venga con nosotros... Que? A mi no me importa cuántas letras tiene nuestra agencia? Inhalar tanta pólvora a debido de afectarle el cerebro!"