Safety courses, to show you know how to handle a firearm. Separate licenses for different types of firearms and a psych evaluation before you’re allowed to purchase anything.
None of those are unreasonable, but the selfish and ignorant 2nd amendment whackos don’t feel like they should have to do anything, which I find really odd.
You don’t mind having to take a written and driving test to get a license and you don’t mind having to get a different license for different types of vehicles, so why should firearms be any different?
Seriously, if they thought about others instead of just themselves, this wouldn’t be an issue. But they don’t, they only think about “muh freedoms”.