Impossible to answer without a maker's name, type of weapon, caliber/gauge, etc..
Browning's web site has a sn search function.
The date a product has been manufactured on.
There is a date on the bottom
Date code on barrel, check Remington Society of America - manufactured date link.
1925, check the date code stamped on the barrel. Remington Society of America, Manufactured Date link has the details.
check the date code stamped on the barrel, see the manufactured date link on the Remington Society of America.
Manufactured in 1970.
if a bios is manufactured after January 1999, it is considered good.
If theres only one date, it's the expiration date.
Cut it open and count the rings
1977
No published sn data.