Stamped on barrel, Barrel and reciever one piece.
See related links for date code stamps
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the serial number is not a remington rand serial number. it is a colt commercial 1911. you have a rem-rand slide on a colt frame. sorry.
Your remington model 700 which has a letter A prefix to the serial number,indicates that it was made in 1980.
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.
Post a serial or call Remington.
I don't believe the Remington 512, 511 or 510 have serial numbers
Email Remington with the #. They will get back to you.
Email Remington. They will get back to you.
Possible.
Your remington model 700 was made in 1982 with the letter C prefix to the serial number.
Impossible to answer without a serial number.