Hi All,

I have several handguards and a couple of stocks with the dark stain problem. I don't think it's rust. I think it's caused by chemical, oil, and/or dirty water stainning.

I also have sucessfully removed these stains, as well as smoke and charred stains from stocks and hand guards using TSP. Be very careful not too make the solution too strong or leave it on the stock, or soaking in solution for more than 3-4 hours, less for hand guards. If left on too long or too strong it will split the wood. Nuetralize with lots of hot steammy water in your wash tub. You can also used a mild acid like ammonia or acetone to nuetralize, but I have been having good luck using hot steamy water and a scuff pad.

Regards,

D8
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