Hopkins and Allen were in business from 1867-1914.There single shot shotguns date from 1902-1914,but they also made a falling block single shot shotgun from 1887-1902.These were in 12 gauge with a heavy frame,and in 16 gauge and 20 gauge with a medium frame.from 1902 onward to 1914 all shotguns were made of the tip over design.
Hopkins & Allen
If you are asking about a Browning Auto-5 shotgun,then it was made in the year 1923,with the serial number that you have provided.
Manufactured in Belgium by Simonis, Janssen, Dumoulin & Co.
Your Winchester model 1400 MK2 was made between the years 1969-1972.These were the only years that Winchester stamped there model 1400 with the MK2.
check the date code stamped on the barrel. Remington Society of America, Manufactured Date link has the details.
1928, it will be date code stamped on the barrel. See related links for information on the Remington Society of America.
National Firearms Company was a trade name used by Hopkins & Allen @ 1900.
1922 - will be date code stamped on barrel. Check the manufactured date link on the Remongto Society of America for table and details.
No. Probably a piece work gun.
1929 if it has the original barrel it will be date code stamped. Check the manufactured date link on the Remington Society of America for details.
describe the type of shotgun and recheck the serial number
Excel was a trade name used by HD Folsom Arms and Iver Johnson Arms and Cycle Works on shotguns made for Montgomery Wards.