The letter J was used by Marlin to indicate what year a rifle was produced.This system was used from 1948-1968.The letter J indicates that your Marlin model 336 SC(sporting carbine) was made in the year 1952.I hope that you find this informative.
the Z prefix to your serial number dates this marlin 336 to 1964.
Your marlin model 336 was produced in 1976.
Your serial number indicates that your Marlin model 336 was made in the year 1980.
Your Marlin model 336 was made in the year 1981,with the serial number that you have provided.
Your serial number indicates that your Marlin model 336 rifle was made in the year 1983.
With the serial number that you have supplied,your Marlin model 336 was made in the year 1982.
Your serial number indicates that your Marlin model 336 lever action rifle was made in the year 1980.
Your serial number indicates that your Marlin model 336 rifle was made in the year 1972.
Your serial number indicates that your Marlin model 336 lever action rifle was made in the year 1974.
Your Marlin model 336 was made in the year 2000.
1964
1971