The possession of guns is not free to anyone but only for those who are allowed by law. The law is also different in each country around the world. The possession of firearms to citizens is allowed in some countries as long as they acquire a license and they will buy it in the right or authorized places. But because many have purchased also their own guns they became a source also of crimes that have been committed. That is why a background check is conducted.
You can read in the infographic how a background check is conducted when someone will buy a gun. There are four steps that are done and the first step is to sign the form needed. The store owner then sent to the NICs the needed information for the checking to be done. The agency then makes its own search and compare the information to the database containing millions of records and see if the person is not legally prohibited to buy and carry a gun You can market online and take your business on it. A search engine optimization is a great chance to start your marketing. As it helps you to build traffic online and more consumers will gonna see your market online.
When no problem is searched then the sale would be approved and the sale transaction would proceed. The form is retained by the store and they should keep the record for 20 years before being destroyed or sending the files to ATF. The next one that you can see is the tracing of a certain gun to the owner that is used in a crime. The agencies and the store work together to know who is the owner of the gun.