The barrel date code is the primary method of dating a Remington. Of course, if the barrel is not the original barrel for the gun that complicates things. The Remington factory could probably date it by serial number. email@example.com
Lookup date code on Remington Society of America here: http://remingtonsociety.com/rsa/questions/barrelcodes
They have date code stamps on the barrel which can be looked up on the manufacture date link on the Remington Society of America.
Remington Society of America, there is a link for manufacture dates link which will explain the date codes.
They have date code stamps on the barrel which can be looked up on the manufacture date link on the Remington Society of America. --- Update: It's important to note that the barrel on the shotgun MAY not be the barrel that was originally on the shotgun at purchase. Check the serial number with Remington.
Need to check the barrel date code. Remington Society of America, Manufacture date link has all the details.
Remington Works - 1914 (late)
It's date stamped, check the manufacture date page on the Remington Society of America for details.