Winchester made a version they called the "All Terrain Rifle". It was a Featherweight barrel profile, but they didn't call it a Featherweight. They came with a cheap plastic stock. You might expand your search for an All Terrain rifle stock and find something. Some upgraded to a better stock and there are probably some take-offs out there for sale.
I had one in 30-06, put a McMIllan on it and sold the factory stock here. But that was a few years ago.
I found this ad. They are calling it an All Terrain Featherweight. Which isn't exactly correct. Technically it was a Featheweight, but the word Featherweight wasn't on the box or rifle.
https://www.gunsamerica.com/946263245/Winchester-70-Rare-All-Terrain-Stainless-featherweight.htmKeep in mind that the Classics came with 2 piece bottom metal. Most of the newer aftermarket stocks are designed or 1 piece bottom metal. Be careful before buying. It is possible to convert an older rifle to newer 1 piece bottom metal, but that adds considerably to cost.