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Joined: Jan 2006
Posts: 8,113
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Sidelock
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Sidelock
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Joined: Jan 2006
Posts: 8,113
Likes: 3
1960 Winchester Western catalog
https://cartridgecollectors.org/content/...l%20Catalog.pdf
"Winchester Proof Steel" is only specified for the M42
No mention of barrel steel for the M21 and M50
M12 with Chrome Molybdenum receiver; no mention of WPS barrel

1965
https://cartridgecollectors.org/content/...l%20Catalog.pdf
No mention of WPS for any of the shotguns; M21, M12, M1200 nor M1400

1970
https://cartridgecollectors.org/content/...l%20Catalog.pdf

1972 catalog listed Chrome Molybdenum for the Y Model 12
https://cartridgecollectors.org/content/...l%20Catalog.pdf

1972 magazine ad listing Winchester Proof Steel barrels and Chrome Molybdenum receivers for the 1200 and 1400
https://books.google.com/books?id=gl31ZxmtlioC&pg=PA13&lpg

Joined: Jan 2006
Posts: 8,113
Likes: 3
Sidelock
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Sidelock
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I would very much like to send a chunk of M12 WPS from the 50s, and M12 Stainless Steel, for composition analysis. METL only needs about a 2" section.
AND I'm still searching for Hunter Arms Crown and Nitro steel barrels to test.

Joined: Feb 2008
Posts: 10,389
Sidelock
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Sidelock
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Joined: Feb 2008
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I think you should consider the possibility that Winchester Proof Steel might simply be a trademark that covers various grades of steel. The WPS steel used for forging an action or receiver may be a different animal than the free machining steel a manufacturer would specify for barrels.


A true sign of mental illness is any gun owner who would vote for an Anti-Gunner like Joe Biden.

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