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The reason Why Some M1 Carbine Receivers Are Green

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quanjito View Drop Down
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Post Options Post Options   Thanks (3) Thanks(3)   Quote quanjito Quote  Post ReplyReply Direct Link To This Post Topic: The reason Why Some M1 Carbine Receivers Are Green
    Posted: Nov 15 2021 at 7:56pm
This is to answer the mystery of the green M1 carbine Receivers. The method I used to discover this was the Delta XRF Analyzer which used resonant harmonics to determine chemical and elemental makeup of objects. In this case, the analyzer was used on a collection of M1 carbine Stubs that Ed Senior had given to a Mr. Hill. These stubs has the distinctive Green that you find on many military rifles. and the answer is..........


Copper........ Most likely a cupric oxide mixture in the Park or Bluing process. Attached is a link of me using the machine to test the stubs. I also used this to test a 1919 top plate that had the same greenish color and the results came back the same. I hope this information helps in terms of how firearms were refinished. The link is below. This machine costed $800.00 to rent for this project.


You will need to pause the video on the readings but you will be able to see that CU is definetely in the finish. I will try to find the graph readout a little later.
I would rather die on my feet than live on my knees,

Zappata
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Donnie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Donnie Quote  Post ReplyReply Direct Link To This Post Posted: Nov 16 2021 at 7:32am
Most fascinating! Thanks for sharing the results of your findings.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote New2brass Quote  Post ReplyReply Direct Link To This Post Posted: Nov 16 2021 at 11:09am
Interesting stuff!
I guess the analyzer does not check carbon and silicon?

Was the metal prepped or cleaned before the test?
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grburrell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote grburrell Quote  Post ReplyReply Direct Link To This Post Posted: Jan 10 2022 at 4:34pm
pretty interesting stuff!
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David Milisock View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David Milisock Quote  Post ReplyReply Direct Link To This Post Posted: Jan 10 2022 at 5:39pm
If my old brain is functioning I remember when I was getting my custom rifles parkerized I had a choice of dark gray, gray and green for the color.
David Milisock
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Bart1015 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bart1015 Quote  Post ReplyReply Direct Link To This Post Posted: Jul 04 2022 at 12:32pm
the video is not showing up. 
Always looking for more carbines.
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35 Whelen View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 35 Whelen Quote  Post ReplyReply Direct Link To This Post Posted: Jul 04 2022 at 1:17pm
I saw this post a few months ago and as a result bought a small bag of cupric oxide to add to my Parkerizing formula, as an experiment. All it did was add a reddish tint to the parts that were Parkerized. LOL
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kro1970 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kro1970 Quote  Post ReplyReply Direct Link To This Post Posted: Jul 04 2022 at 10:17pm
I did the same thing a while back and got the same result a reddish tint.
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blackfish View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blackfish Quote  Post ReplyReply Direct Link To This Post Posted: Jul 05 2022 at 8:43am
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