Legally
Not enough information is given in order to answer the question. What kind of guns? Why are you subpoeanaed to court? If you sold them legally, to persons who were legally entitled to have them, you have nothing to worry about.
Unfortunately Wawa is not legally allowed to sell beer or alcoholic beverages in the states they operate in, with the exception of Maryland and Virginia! Yes, in Maryland and Virginia Wawas do sell beer!
No. It would require a licence for importation, even if the gun was made in the US.
In order to sell guns in the US as a business, you must be licensed as a Federal Firearms Licensee, with an 01 Dealer license. Unless the head shop has such a license, and they are selling guns as a business, they would be in violation of Federal law.
Yes. About one third of us that are adults do own guns. Legally.
Some Walmarts do sell guns, and some do not sell gun and these may never sell them.
Yes most kmarts do sell paintball guns
No
in northern virginia in the us? No way to answer- you did not tell us where "local" was- and we get questions from around the world.
No, they do not sell them.
You should really go to the BATFE webisite and read up on the law.