http://remingtonsociety.com/rsa/questions/barrelcodes
Serial 718943w
The Remington Wingmaster with the serial number 2039814 was manufactured in 1980. Remington's serial number system can help date their shotguns, and this particular number falls within the range indicating production during that year.
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The Remington 870 Wingmaster with a serial number starting with "194673V" was manufactured in 1971. The serial number indicates the year of production, as Remington used a specific format for their serial numbers during that time. If you need more precise details about its features or specifications, consulting a Remington firearms expert or reference guide could be helpful.
Check this table for the answer: http://www.remingtonsociety.com/rsa/questions/barrelcodes
Go to the Remington Society of America and click the Manufactured link, it has the location and barrel codes for month/year of manufacture.
Check this table for the answer: http://www.remingtonsociety.com/rsa/questions/barrelcodes
Do a search on barrel codes, I believe that will give you an answer
Look at the date code stamp on the barrel, see related link.
Remington Society barrel code lookup: http://remingtonsociety.com/rsa/questions/barrelcodes
Check this table for the answer: http://www.remingtonsociety.com/rsa/questions/barrelcodes
Check the date code stamp on the left side of the barrel you can get the details and look it up on the Remington Society of America under the manufactured date link.