All rights are limited by the peripheral natural rights of others.
"...permits for a political protest," to protect private property.
"...outlaw child pornography," to protect children from exploitation.
"...forbid incitement to violence," to protect private property.
"...allow libel suits and more" to protect property and privacy.
We have acceptable laws against murder and reckless discharge of firearms, which protect persons and property. But to restrict the private ownership of firearms is a direct violation of the intent and letter of the law. Period.