Actually, SCOTUS precedent on the second amendment referring to a personal right only goes back to the Heller decision in 2008.
https://en.m.wikipedia.org/wiki/District_of_Columbia_v._Heller
I will also note that this decision further held that some restrictions on the second amendment are permissible, although it left the precise boundaries open.
Were you paying attention the last several times he’s tried to do more and gotten blocked at every turn by people who can’t see past their own gains?