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Old 07-12-2018, 12:19 AM
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Kernel Crittenden Kernel Crittenden is offline
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Originally Posted by 326MOD10 View Post
... but appears to be made of the newer material used in the 442's/438's....
The frame and alloy metallurgical composition is the same as c.1955. If anything, they changed the surface coating. You can't blue aluminum. The newer guns have a different anodizing or epoxy or something, that's all. Underneath it's the same. The cylinders and barrel are carbon steel.

A few were even offered in nickel. The words Airweight and AirLite are just marketing terms S&W uses for their family of alloy frame guns. The terms have been around for a long time. I think it's only been in the last 20 - 30 years or so, though, that they've actually inscribed the term on the guns themselves.
~ S&W aficionado in training ~
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