That will depend on what license, and where it is issued from. There is no one "firearms license" in the US. A few states DO require a license to BUY a gun, most require a license to CARRY a gun concealed, and you must have a DEALER'S license to sell guns. It may take minutes, or months.
You will need a lawyer. It can take up to a decade or more.
Depends on the gun. Simple mass produced firearms may be made at the rate of hundreds each day. Custom, handmade firearms may take a year or more of work.
The only people who can sell pepper spray in Mass are licensed firearms dealers. http://www.ledefensetech.com/pepperspraylaws.htm If you're wondering how long it takes to get your license to become a firearms dealer, I'm not sure.
So long as the firearms they're transporting are legal at their destination, yes.
A class of firearms referred to as long guns.
Forever.
1987.
Handguns and long guns.
Take a gunsmithing course.
The Sears and Roebuck 41DLA 103.275-22 is designed to take long rounds. If you have further questions about ammunition compatibility or specifics, it’s best to consult the manufacturer's guidelines or an expert in firearms.
all of them, but, only long guns.
No, Sam's Club - which is owned by Wal Mart - does not sell firearms. Wal Mart does sell firearms, but only long guns.