The biggest differences in the Mod 39 and 439 is the choice of an adjustable sight and fixed sight in the 439, where the 39 and 39-2 mostly came equipped with a windage only adjutable sight and the rare early adjustable sights (which didn't have the protective "ears"). Also, some 439's have ambi style safety levers and all of them have a firing pin safety, neither of which is available on the 39/39-2.
I forgot to mention, to learn more pick up a copy of the Standard Catalog Smith & Wesson (aka SCSW), it will tell you alot about the differences between the first 3 generations of S&W semiautos and anything else that has had a S&W on it.
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J.D. Roy
Last edited by FirebirdV8; 08-26-2010 at 05:06 PM.
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