Depends on who made it.
1956.
Check proofhouse.com
your Winchester model 12 shotgun was made in 1926.
Made in 1923.
It has a nickel steel barrel and is a 12 gauge with a mod choke. It has a nickel steel barrel and is a 12 gauge with a mod choke. It has a nickel steel barrel and is a 12 gauge with a mod choke.
your win mod 12 was made in 1962
Your serial number indicates that your Winchester model 12 shotgun was made in the year 1946.
your win mod 12 shotgun was made in late 1931.
who makes the westernfield 12ga shotgun model m505a
Your winchester model 12 shotgun was made by winchester in the year 1925.
Your serial number indicates that your Winchester model 12 pump action shotgun was made in the year 1937.
With the serial number that you have provided,your Winchester model 12 shotgun was made in the year 1956.