I have always wanted to keep an M249 around the house but I keep hearing that I can't as a civilian. I'm glad someone else recognizes thatI have a right to unre

I have always wanted to keep an M249 around the house but I keep hearing that I can't as a civilian. I'm glad someone else recognizes thatI have a right to unrestricted access to SAWs. Can you point me where I can find this legal precedent so I have it ready when those whiny ATF thugs come after me?