the ones with survival instincts have started redneck engineering drone shot out of bbs or lead shot in heat-shrunk electrical tubing, the assembly of which is then cut and stuffed into a 5.45 cartridge at the right length. it's sketchy as fuck, but it does result in more projectiles on target at close range since you can fit 6 or 7 into the cartridge at the correct length for it to (kind of) cycle.
United States