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-   -   Under barrel stamping (https://parkerguns.org/forums/showthread.php?t=34063)

Skip Dillin 08-22-2021 12:34 PM

Under barrel stamping
 
What is meant by the over load proof stamped under the barrel chambers. Obviously it means an over pressured load, but what exactly is “over load” ?

Brian Dudley 08-22-2021 03:12 PM

It is based on whatever the factory deemed to be an overload based on their standards. At least in Meriden. On the repros it may be more of a cosmetic mark vs. meaning that every gun is overload proved. Or maybe they were. I do not know for sure. They are at least marked the same way that the originals were. But if I recall, they are also marked with the regular Winchester Proof “wp” stamp. This would also suggest some sort of proofing, to winchester standards.

In the US at least, there is no proof houses like in England and Europe. So it was up to each maker to test their guns the way they saw fit.

Greg Baehman 08-22-2021 06:03 PM

I had asked a similar question a decade ago in this thread. We never did get an answer as to what the proofing process entailed.

http://parkerguns.org/forums/showthread.php?t=5104

John Dallas 08-22-2021 07:50 PM

When did SAAMI standards come in?

Dean Romig 08-22-2021 08:30 PM

1926





.

Jeff Kuss 08-23-2021 03:03 PM

2 Attachment(s)
A trip through Parker Brothers

Garry L Gordon 08-23-2021 08:25 PM

Jeff, do you know/remember the date of this information? Thanks for posting it.

Dave Noreen 08-23-2021 09:19 PM

2 Attachment(s)
This is what A.H. Fox Gun Co. advertised about their proofing --

Attachment 98801

Attachment 98802

Jeff Kuss 08-23-2021 09:58 PM

I have the flyer marked as 1923.


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