They month and year can be determined by the barrel code, all the details can be found on the Remington Society of America here:
http://remingtonsociety.com/rsa/questions/barrelcodes
Check the barrel code stamps. The details are on the Remington Society of America on the Date of Manufacture link.
With the serial number that you have provided,your Remington model of 1917 wa made in December of 1918.Your rifle was made at the end of production of these rifles for World War I.The last Remington serial number was 646,000.
It's date code stamped on the barrel see related links for information on the Remington Society of America.
Check the date code on the barrel, see related links for the information on the Remington Society of America.
the Remington model 11 was produced from 1911-1948,with total production of 300,000 shotguns.To get the correct date of production for your shotgun there is a two or three letter code on the barrel.please provide that and we can get a accurate date of production.
It's date code stamped on the barrel, see related links for information on the Remington Society of America.
Since 1921 Remington has date stamped the barrel you can find the details/table on the Remington Society of America under the Manufactured Date link.
Check the barrel code on the Remington Society site... http://remingtonsociety.com/rsa/questions/barrelcodes
First year production 1912.
The date code is stamped on the barrel, see related links.
1917 - Probably January based on production that year.
Big year of production ~31,500 - ~71,500