Cleaning a no. 5 mk 1 stock

[Howard]

I cleaned the stock with a general purpose cleaner but really dark spots will not come clean. Is there a cleaner that will remove the spots with out sanding? I think that the dark areas are from 70 years of oil on the wood. I think the stock is walnut but not sure.
This is a pretty nice rifle, all the numbers match except for the mag. I picked it up at a flea market for 200 dollars, it was a little rusty but cleaned up very well.

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[WarPig1976]

The short answer,,,,,,Nope.

[AFJon]

Purple power may clean the spots, but it'll remove every bit of patina.

[WarPig1976]

Purple power may clean the spots,

Nope, won't git er done. Rust, water, and oil stains are there to stay. Oil being the worst because one can't even sand deep enough to get rid of it.

[AFJon]

Like I said MAY. Orlando has had good results as well as myself.

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[Omark]

Try an acetone and calcium carbonate mix. Mix it up like plaster of Paris, spread it on with an ice team stick and then brush it off. Needs to be done several times but works as the acetone draws out the oil and the calcium carbonate absorbs it.
You will need to work quickly as it evaporates & brush off the residue once it dries. It works best when the stock is warm as the oils tend to flow out of the timber better.

Acetone is nasty stuff so you need good ventilation etc.

I've tried lots of other options but this is the best.

[Howard]

Thank all of you for the possible solutions to cleaning an oily stock.

[WarPig1976]

None of these concoctions will pull a oil STAIN from the wood. The wood itself is damaged.

[30Three]

The stains are also part of the history; so why worry ?

[mrclark303]

Howard, a few pics might help, show us the area affected, you can get natural black/dark areas in walnut too.