The Model is a direct development of the Marlin Model rifle which was produced from to This is my guess Perhaps the barrel was cut which I doubt as the front sight is perfectly doved in place. Ernesto I side Rodriguez: Murtz, editor, DBI Books. Super reply Rob
Design improvements include a stronger and simpler round-profile chrome-plated breech bolt, a redesigned cartridge carrier, an improved extractor,  and coil-type main and trigger springs in place of the flat springs used in earlier Marlin rifles.
Marlin Model 336
April 14, This link should help with your gun and or all non serial numbered Marlin. If we did not purchase the gun and scope near the year I mentioned in last evenings email, we are left with no conceivable alternative of just how the rifle came to our household and has remained in our attic with perhaps occasional use by one of our five grandchildren unbeknownst to my wife or me. If they were more popular then they could not be picked up for the reasonable prices that they still can. Very helpful Tom. This one had a hooded front sight, and no visible serial number. Information see william s.