Sorry, but there is an answer, and you only have to look to Australia to see what they did and how it worked.  As far as the Constitution is concerned, the current interpretation is the result of a few justices who chose to ignore the little bit about regulated militias and expand the right to any idiot with a credit card and deep feelings of insecurity.   Constitutional interpretations are always subject to change.

The American politicians who have surrendered to the NRA are the ones who need your prayers.