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  1. Screw Thread Size For Magazine Tube Cap Marlin Model 336os

    Does anyone know the thread size for the screw that holds the magazine tube cap on? This is on a older Marlin 30-30 Model 336os. Thanks I still have not found the thread size yet. This Marlin was manufactured in the late 60's. I had the model wrong. It is model 336 RC. It has the JM stamp...