Browning BSS Double Shotgun. Date of manufacture code included with the serial number. Post 1958 manufacture dates. 1976 Japanese Production Began, however, FN still produced Browning “Made in Belgium” shotguns into 1984, SV p65. The serial number coding system changed to the serial number preceding the date code. Serial began with 1000 – 99999 followed by the model code 221 Sweet Sixteen and 171. Determine the Date of Manufacture of a Browning A-5. Locate the serial number of the weapon and write it down exactly as it is engraved. Bhulekh Software Download here. The serial number is normally on the shotgun's barrel or breach. Logon to the Internet and locate the home page of Browning firearms. On their web site the company provides precise. Changing Imei Number Iphone Hacks. Date: Historic Information: Serial Number Info: 1903-1939: First 10,000 shipped to U.S. Marked with 'BROWNING AUTOMATIC ARMS CO. OGDEN UTAH-U.S.A.' Very few serial.