Given the collapse of civilization, I'm confident that I could be producing basic automatic weapons (submachineguns) in less than a month. Six months on the out

Given the collapse of civilization, I'm confident that I could be producing basic automatic weapons (submachineguns) in less than a month. Six months on the outside before I could be turning out high-quality automatic rifles. The hardest part would be the barrel rifling, but even that is doable. This is without electricity, of course.