hello usually theres a 2 or 3 digit code on the left side of the barrel near where it meets the receiver usually in an oval ,,once you find it heres a site to check the code with to determine the month and year ,,just scroll down to the remington section and you can see how they date them,,
https://store.bluebookinc.com/info/PDF/Firearm/
Serialize.pdf
bigcurt
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