Auto's manufactured pre-1986 are legal for civilian ownership and use, assuming 1) you are legally allowed to own a firearm, 2) It is not illegal to own an auto

Auto's manufactured pre-1986 are legal for civilian ownership and use, assuming 1) you are legally allowed to own a firearm, 2) It is not illegal to own an automatic weapon in your state/jurisdiction 3) fill out the ATF Form 4, 4) pay the tax stamp and 5) you can afford a $20k+ gun and ammo. They aren't cheap because they are rare. There are approx 700k in existence in the US. https://www.atf.gov/firearms/qa/may-machine-guns-be-transferred-one-registered-owner-another https://www.atf.gov/firearms/qa/may-machine-guns-be-transfer...