Somewhere between 1960 and today. Very popular rifle, introduced in 1960, still in production.
Your serial number indicates that your Marlin model 60 rifle was made in the year 1985.
Your serial number indicates that your Marlin model 60 rifle was made in the year 1973.
With the serial number that you have provided,your Marlin model 60 semi-auto .22cal rifle was made in the year 1994.
The Marlin 890 22LR was made starting in 1954-60. This was Marlins Micro Groove experiment
The Marlin 49 uses the same feedthroat as the old-style Model 60.
The Marlin Model 60 manual may be dowloaded from Marlin's website.
Some of the distinguishing markers to look for in a Marlin model 60 are whether the ejector is casted into the feedthroat and the firing pin style. By identifying these parts you can determine if the gun is an old style or a new style.
A Marlin Model 60 fires a .22 Long Rifle cartridge. The Marlin Model 60 fires a .22 LR cartridge.
Your rifle was made in 1981.
Your Marlin model 60 rifle was made in the year 1980.
Your Marlin model 60 was made in the year 1983.
Your Marlin model 60 .22cal rifle was made in the year 1977.