Depends on your state laws.
Ata minimum you need a form 4 fingerprint card chief law signature on the form 4.
Easiest route is a trust if its allowed in your state. Might also need to be 21 for any nfa but im not 100% on that.
"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith