In most of the US, they are legal. However, it will depend on the type of gun, and exactly where you are located. We get questions from several countries, and the list is far too broad to post here.
only at "gun shows"
Commercial or private?
No. Arms and ammo are illegal in Mexico.
To sell a gun in Arizona, you must be at least 18 years old and not prohibited from owning a firearm. Private sales do not require a background check, but licensed dealers must conduct one. It is illegal to sell a gun to someone who is prohibited from owning one, such as a convicted felon or someone with a restraining order.
Yes, it is illegal to possess ANYTHING that is illegal.
gun trafficing is illegal. transporting for sale of illegal weapons.
There is no sales tab in the private sales? :$
Gun safes are not illegal
Owning a gun is not illegal if you follow the laws.
I don't think it is ILLEGAL to play Private Servers. However, to own a Private Server is illegal.
Yes it is illegal to own a gun that does not have a serial number. It is also illegal to remove the serial number off a gun.
Try gun shops, pawn shops, want ads, for sale ads, gun shows, estate sales, yard sales, garage sales.