Blackpowder is dead simple to make yourself. Makes cycling semi-autos harder/less reliable and less powerful, and mesns a lot more cleaning, but if "bullet cont

Blackpowder is dead simple to make yourself. Makes cycling semi-autos harder/less reliable and less powerful, and mesns a lot more cleaning, but if "bullet control" succeeded in the US I think we'd see a mass switch to blackpowder and electrical ignition replacing primers.