Just for an example, this is what happens when people need to make guns on the cheap in field conditions: https://en.wikipedia.org/wiki/Sten https://en.wikipedi

Just for an example, this is what happens when people need to make guns on the cheap in field conditions: https://en.wikipedia.org/wiki/Sten https://en.wikipedia.org/wiki/Sten Quoting: "the most basic model, the Mark III, could be produced from five man-hours of work". In any machine shop having as advanced technology as welding and metalworking.