Want this question answered?
1961 serial number for 6d14 mitsubishi engine
what is the manufacturing date fo a colt diamondback serial number O72239
what is the manufacturing date of a marlin rifle model 1893 with the serial number D1624?
No way to answer without the serial number.
Au2187 is a model number
Your Marlin firearm was made in the year 1979,with the serial number that you have provided.
manufacturing company of combine can tell you year of manufactur from the serial number
1992
1977
1954
1942
1980