It is possible and it has been done, but I have no interest in pursuing it. Ya never know, though...one day it may come down to scrounging steel 5.56 and 7.62x39 cases to reload. Sure hope not.
I'm here to give and receive knowledge, not affirmation or adoration. If you don't like it, mierda dura
. Intellectual honesty is not for fragile egos.