Did the Japaneseicon cut corners on the stock finish as the war progressed like the did most other things?

I've been looking at photos at various sites and see differences in finishes from the nice heavy reddish finish to a dry thin look.

While it seems like a lot of the "last ditch" rifles have the dry look, I've seen some that seem to have the shiny finish as well.

Did they ever use oil as a replacement or ship them out unfinished? The reference I found on oil finish was that the soldiers and sailors on the ship ride home sanded them off and put oil on them but that doesn't make a lot of sense. Why remove a solid finish just to replace it with oil. They did also make not of the "rash" that a lot got from the dust so it is possible.
Information
Warning: This is a relatively older thread
This discussion is older than 360 days. Some information contained in it may no longer be current.