Fits the following models: * GLENFIELD 75C, 75, 99M1 * MARLIN/GLENFIELD 60 OLD STYLE, 60W, 990, 99C, 60 NEW MODEL * MARLIN 60 NEW MODEL, 990, 99C. I have read that the Model 1936 marked rifles had colour case hardened. Those marked Model 36 on the barrel had blued receivers. Before the war they were marked Model 1936 on the tang. subtract that from 2000 and you have the year. I have one that starts with 26 serial number.
you should be able to tell from them.I am sending you their cause I do not recall exactly. go to look in the marlin forums stickys.Sold firearms under the following models and the company that manufactured them.