During WWII, there was a cheap, single-shot .45 cal gun called the Liberator that was dropped by the thousands into Europe. Drop off a bunch of those and the locals can get their machine guns from the military.
See the story “What can a handgun do against an army”. Very enlightening. It’s been posted to FR on multiple threads.
Got the title wrong. It’s “What Good Can A Handgun Do Against An Army”.