Maine law:
Carrying
It is unlawful to carry any firearm concealed about the person without having a concealed carrying permit. This includes carrying in an automobile glove compartment, or other area where the firearm is under the person^s control. It is not unlawful to carry a firearm openly.
It is unlawful for a person, while in or on a motor vehicle or in or on a trailer or other type of vehicle being hauled by a motor vehicle, to have a firearm with a cartridge or shell in the chamber or in an attached magazine, clip or cylinder or a muzzle-loading firearm charged with powder, lead and a primed ignition device or mechanism, except for a law enforcement official in the line of duty.
Curtis you won't be in Texas the only thing that needs shooting up here are the critters.