Originally Posted by
evert
Best to send it off for a proper hot bluing.
Cold blues are not durable, and really not well suited for rebluing entire guns.
They are best left for touching up worn sights etc.
Agree with evert on this. Cold bluing is not chemically the same as hot bluing, it is merely a chemical coating which looks blue/black and not an iron oxide at all. IME the result is not durable.
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