The Bureau of Alcohol, Tobacco, Firearms and Explosives web site has the information that you are looking for.
Visit www.FFL123.com
Federal Firearms License
Federal Firearms License.
You have to be 21 to get a Federal Firearms License in ANY US state, territory, or protectorate.
In the US, you apply for a business license and apply to the Bureau of Alcohol, Tobacco, Firearms and Explosives for an 01 Federal Firearms License (Dealer's license).
The letters FFL stand for a Federal Firearms License. This is a license that enables an individual or a company to legally manufacture firearms or ammunition.
In the United States, the requirement for a license to sell firearms varies by state and federal law. Generally, if you are engaged in the business of selling firearms, you must obtain a Federal Firearms License (FFL) regardless of the number of guns sold. The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) defines "engaged in the business" as selling firearms with the intent to make a profit, which can include selling multiple guns over a period. It’s essential to check both federal and state regulations, as they can differ significantly.
The BATFE website has the information you seek.
In most cases, no. However, a theft from an interstate shipment of firearms, or theft from a Federal Firearms License holder (dealer or manufacturer) IS a Federal offense.
The BATFE has all the requirments on their web site.
The sale of firearms is governed by both State and Federal laws. To be "engaged in the business" of buying and selling guns anywhere in the US, you must be licensed by the Federal Government as a Federal Firearms License holder with an 01 Dealers license. All gun shops and sporting goods stores that sell firearms hold such a license.
You will have to contact the BATFE to fnd out.