50-100 USD
i have heard of a H&R ''LONG TOM" shotgun/also known as a goose gun
Any rifle or shotgun you can buy from a dealer in PA. They must be at least 26 inches long, and rifles must have at least a 16 inch barrel- shotguns an 18 inch barrel.
A Sportsman long range 12 gauge shotgun is worth $845 in good condition. The shotgun weight is 8 pounds, 4 ounces and has a 28 inch barrel.
long
His gun is a double barrel shotgun. There are a few kinds, but his is a generic long barrel type shotgun.
26-30 inches
Rifle, handgun and shotgun can all have "long" barrels
That patent date identifies a Stevens single shot.
32 inches would be the longest to be listed as a "standard" length. Anything longer would be considered unusual.
not much. too long to hunt efficiently. An average shotgun with hoke is the same pattern or better. Probably $120-$150 if you like Marlin
14 inch barrel