Is it legal to drive with a BB gun in your car?

Each state has different laws. Check with them to make sure. . If you do get pull over and an officer asks you. If have anything to declare I'd tell them. If they going to do a search of your vehicle. Usually they don't search your vehicle on basic traffic stops. It may depend on the size of the bb gun. . Check the laws on fire arms of the states you going thru. Just to be sure. Some bb gun aren't deadly others are or can be deadly and be considered a lethal weapon.