food for thought:

Transporting Firearms in Automobiles
Under federal law, a person is allowed to transport a firearm across state lines from one place where it is legal to possess firearms to another place where it is legal to possess firearms. The firearm must be unloaded and in the trunk of a vehicle. If the vehicle has no trunk the firearm must be unloaded and in a locked container (not the glove compartment or console). This federal law overrides state or local laws.