The letter J prefix to your serial number indicates that your Marlin model 336 RC(regular carbine) was made in 1952.The letter J was marked ahead of all serial numbers for the year 1952.
Year
WAL-MART
Part of the serial number. No real meaning.
It can stand for record serial number which were serial numbers placed on vinyl records.
G=1950, and SC=Sporting Carbine.
ASTM serial number MOLINS CUTTER
Victory
International Standard Serial Number
ESN is an acronym that can stand for a number of different things. Some of these include electronic serial number, electronic security number, English speaking nations and engine serial number.
it's part of the serial number
It is on a tag under the stand, with the model number.
Your serial number reads 01537pw153.the 2 letters in your serial number(pw) stand for the year 1984.That is the year of your shotguns production.