Quote:
Originally Posted by PatrickB
I think a surface chemical treatment reduces the risk of harming these old parts, especially the ejector, with heating by a novice. Also, I believe the chemical coloring is more durable.
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No on both. If you heat it to the correct color, you have heated to the same temperature the factory used. In other words: The temper won't be affected. The chemical bluing will be of the same quality as a very thin cold blue, ie. not very durable at all.