There should be measures to make sure that people that have tables, but no FFL, at gun shows can't sell guns without a background check.
The Authorities should prosecute those who lie on a firearms purchase form (4473).
Every one of us who own guns should make sure that our guns are secured and ought to suffer the consequences if their guns aren't secured and are used to harm someone.
Mag limits and demonizing of certain features on guns does nothing positive however. It doesn't deter crime and makes many gun owners refuse to budge on this issue because it reeks of gun grabbing.
What gives you the right to dismiss and ridicule their pain? That amendment before the second one.