I have been a S&W revolver fan for many years. In recent years I have purchased 3 S&W gen 3 semis (3913, 4006 and 5906) and now I am hooked. In looking at guns for sale pictures I have noticed that some of the blued gen 3 models appear to have a green tint. I have seen a couple where the slide and frame both appeared to have a green tint. Some of these guns for sale ads stated the guns were totally original. Is this caused by lighting or other optical illusions or could this mean a reblue? Thanks for your help. S&WTom
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