What worked in Australia was the national unification of gun laws - Queensland, Tasmania, and the two territorries were aligned with the laws in the (then) bulk of the populated parts of Australia - NSW, Victoria, South Australia, and Western Australia.
The gun buy back was good deal to encourage people to turn in any old guns that they either didn't want to licence or were unable to licence (due to having a criminal record or the gun being fully automatic).
Having a modern up to date, searchable central registry of guns, ownership, and requiring every sale to be recorded is a major advantage for Australia over the US.
In Australia twelve years olds can join a gun club (with parental permission) and the majority of people can own a gun if they wish - subject to a record free from violence and a demonstration of competance and ability to keep and store weapons safely.
I'm in rural Australia and have some guns for feral control use.
My neighbour has a fairly decent assortment of guns and shoots ULR (ultra long range) targets at 5,000 yards.
The culture of Australia is not the culture of the United States.
I am extremely confident attempting to repeal the Second Amendment wouldbe met with violence if necessary. Lone actors, small groups, guerrilla warfare, or full-blown civil war are all not only likely, but all but guaranteed depending on the specifics.
Plus, firearms are durable goods, and won’t just “go away” even if you ignore the political implications. There are literally more firearms in the US than people.
Please note that my comments here, unless otherwise stated, are informed by my understanding of the political environment rather than my personal beliefs.
"Arms" are not limited to firearms - ammunition is included in that.
If we sidestep that, then there's the fact that many of us reload. Aside from a few oddball calibers, I shoot almost exclusively ammunition that I've manufactured at home from components.
If you manage to regulate components out of circulation, they can be made at home, from relatively common supplies, without too much additional effort.
The gun buy back was good deal to encourage people to turn in any old guns that they either didn't want to licence or were unable to licence (due to having a criminal record or the gun being fully automatic).
Having a modern up to date, searchable central registry of guns, ownership, and requiring every sale to be recorded is a major advantage for Australia over the US.
In Australia twelve years olds can join a gun club (with parental permission) and the majority of people can own a gun if they wish - subject to a record free from violence and a demonstration of competance and ability to keep and store weapons safely.
I'm in rural Australia and have some guns for feral control use.
My neighbour has a fairly decent assortment of guns and shoots ULR (ultra long range) targets at 5,000 yards.
Annual setup and test with initial flight path drone PoV: https://www.youtube.com/watch?v=7owwTz7Z0OE