The first layer is federal gun laws. From there State laws can restrict gun laws more, but not make them more liberal. From there County laws/ordinances can restrict more so, but not make them more...
They are far stricter. Most countries such as the United Kingdom and Germany ban the ownership of guns, unless they bought under a licence for sport purposes. There is rarely any idea of a 'right to...
The state and Federal laws that govern the sale of firearms apply at a gun show the same as anywhere else. If you are a licensed firearms dealer (and people that are in the business of buying and...