Repeal the second amendment, the right to bear arms.

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

That's it.  Forget legal interpretations.  Forget background checks.  Blah, blah, blah.

Just eliminate it.

This week there was another mass shooting, this one in Oregon by a white guy, so there's no racial connotation.  Conservatives are too afraid and liberals are too limited, both too hypocritical, to get anywhere near comprehensive policy.  So, ...

Pass a new amendment that repeals that one.  That's how prohibition was handled.

Repeal the second amendment.