You know, that is something I never worried about. I just loaded them up in the trunk, unloaded and moved the wagons out, and believe me I moved a lot in 27 years and had more than a few firearms. The few times I got stopped for speeding, the trooper looked in the car at a aggravated wife and some very cranky kids, wrote the ticket and gave us a have a nice trip,
( about half the time after checking my ID they gave us a "Godspeed " with out a ticket )
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