You could try Numrich gun parts corp.
there are several listed at gunbroker.com
Your serial number tells me that your Winchester model 12 pump action shotgun was produced by Winchester in the month of december 1917.It was one of the last 144 made in 1917.Record of production show that Winchester made 22,978 model 12,s in 1917.I hope that you find this information helpful.
Try e-gunparts.com
Nu-Line Guns, Inc
Sarco has them in stock there part # Misc119
The model 100 .30-30, if it's the one with the visible hammer, is a copy of the Winchester '94. It was probably made by Winchester. A Winchester '94 stock can be made to fit. If it's the hammerless model it's a copy of a Savage '99. A Savage '99 stock can be made to fit it. TexasCharley -- Post-64 Winchester Model 94 -- The Ted Williams/Sears Model 100 is a version of the Winchester Model 94 as made for Sears by Winchester. They originally had walnut-stained hardwood stocks. We can supply new walnut stocks to fit. sales@countrygunsmith.net
Model 94 winchester 30 30
By providing a serial number to your Winchester model 53.
Your Winchester model 1894 was made by Winchester in 1974.
need help to find schematic for a Winchester model 61
Do a google search for "Winchester Model 12".
i want to find out the value of a 1950s Winchester Remington repeater model 870