If you have found a decent rifle but it just doesn't have that reddish hue I would be hesitant to walk away, good rifles are hard to find at reasonable prices with good mechanics.
Heres some pics of a shooter with plenty of dirt and oil way deep in the stock,

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patched up scraped and washed out some,

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put back together,

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and getting checked out,

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It seems to have a little red from just having some flax seed oil rubbed into it maybe it will get darker with use and time or it was made a little too clean before getting re-oiled, not sure.