The second amendment is fundamental for menu reasons. Eventually the do-dooders will erode it, then destroy it, like they do with "everything" they touch.
Real problem is that this is political question.<p>For human rights all simple - all people must have possibility to protect their rights to life, liberty and property, and in real life, mister Colt is best friend of adequate citizen.
So limitations on civil guns are limitations of people rights.<p>It is adequate to limit rights on guns for felons and for incapable persons, these are only exceptions.