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Old 06-29-2012, 01:21 PM
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MPDC MPDC is offline
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Just to add, I think the XDs have been melonite treated for the whole US bound production run. However I also believe that just like stainless, a below par batch of steel will rust regardless of a surface treatment or even nitrate type baths.

In an analogy to vehicles being undercoated, years ago it was learned that undercoating which was being sold as "rust preventative" on cars and trucks only "locked in" corrosion that was already present in poorly treated or weathered metal parts from the factory.

In other words, kind of a garbage in, garbage out thing. IF the metal being treated isn't corrosion free at the time of treatment without first removing the corrosion present, no treatment will be effective.

I realize this is anecdotal and am not an expert on metals or rust but know the effects of "sealing in" rust on an auto. Like painting over it it simply masks the rust, which will soon find its way to the surface again.
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