I finally was able to find this shotgun. If you are looking for a specific firearm or weapon, be patient, and don't impulse buy, it will come along sooner or later. For me, it took almost two years but it paid off.
Norinco Shotgun Specs:
Manufacturer: Norinco (Chinese)
Importer and Distributor: Interstate Arms Corp. (IAC)
Frame: All Finished Blue Steel
Ammo: Chambered for 12-Gauge 2 ¾ Inch Shot Shells only
Feed: Tubular, Loads from Top
Barrel Length: 20 Inches
Overall Length: 38 Inches
Stock: Wood Front and Rear
Sights: Fixed Bead Front, Grove Rear.
Action: Lever with Hammer
Cloned: Yes, after the Winchester Model 1887 Shotgun
Safety: Hammer Half Position
Butt Plate: Plastic
Weight Unchambered: 9 pounds
Updated February 19, 2013 with more photos ...