Since its introduction in 1948, it has been offered in a number of different calibers and barrel lengths. The Marlin Model 336 is a lever-action rifle and carbine made by Marlin Firearms.Look under the lever on the bottom of the gun or on the tang right behind the lever. That's when Marlin was first established as a company. Submitted: 3 years ago.Category: Firearms. Marlin 336-a-dl lever action 1870 no serial #found, what's the value.The first letter of the date code represented the month of manufacture while the second letter indicated the year. This date code is different than the one already listed, as Marlin rimfire rifles (other than the model 39 series) did not have a serial numbers until required to by Law after 1968.Winchester 1890 vintage lyman marbles tang sight mounting screws. New lyman no 2 tang sight marlin 336 1894 1895 30 series rifles 3902100. In 1995 lyman introduced a new version of the no. The marlin version features a special adapter base which allows mounting of the sight on the tang without damaging the serial number.