Yes
Haven't seen that marking. Choke markings on Browning shotguns are coded by a series of asterisks and dashes. They also had a marking called 'ACIER SPECIAL' which simply means special steel, indicating the gun was suitable for smokeless powder.
A Browning light weight auto-5 shotgun in unfired condition,and made in the year 1972(72G)prefix to your serial number will bring 775 dollars for a shotgun with a plain barrel,or 1,150 dollars for a vent rib barrel model.Yours is often called the flat knob model(which was made from 1967-1976).
If it has choke tubes, yes. If it is fixed choke, no. I called Browning about mine and that was the answer they gave me.
Gas operated
It is called "choke". lcj
The barrel exchange will be your best bet if you called browning this is the place they would refer you to. They are located in Ga.
They are called BT-99 shotguns
This a double barrel shotgun. This is my second favorite shotgun in the world. The reason why it is called 12 Ga double barrel is that the barrel in 12 inches long, and every two shots, it has to be reload.
It is called "choke". lcj
The first known pistol grip shotgun is called a backpacker shotgun, with a shorter barrel, and shorter overall length. This is a very popular version of the shotgun, mostly purchased for home defense.
The serial number you list does not match Browning convention. Go to http://www.browning.com/customerservice/dategun/detail.asp?id=13 to see what I mean.
The narrow part at the muzzle of a shotgun barrel is called the choke. It squeezes the shot so that it stays together. Without the choke, the shot flies in all directions as soon as it leaves the barrell.