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S&W Revolvers: 1980 to the Present All NON-PINNED Barrels, the L-Frames, and the New Era Revolvers


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Old 03-30-2012, 12:47 PM
cuzinbruce cuzinbruce is offline
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Default 640 magnum question?

About the stainless 640 in .357, does the first version have the dogleg or a round cylinder stop?
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Old 03-30-2012, 12:51 PM
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I believe the first .357 640 (the -1) has the integral or dogleg cylinder stop.
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Old 03-30-2012, 01:00 PM
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My 640-1 is early production, forged parts and rollmarks - with the integral stop..... or dogleg. Regards 18DAI
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Old 03-30-2012, 01:09 PM
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Thanks guys.
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Old 03-30-2012, 10:14 PM
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All .357 J-Frame guns are built on the so-called J-Magnum frame, with the integral frame lug. This is the principal identifying feature of the magnum frame.

The cylinder stop is internal, completely different part.
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