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The reason Why Some M1 Carbine Receivers Are Green

Printed From: The Carbine Collector's Club
Category: The Club
Forum Name: Club Requests and Member Submissions
Forum Description: Submissions, Spotters Reports, Documents, Sharp Eyes Dept.
URL: http://www.uscarbinecal30.com/forum/forum_posts.asp?TID=5869
Printed Date: Jan 28 2023 at 6:03pm
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Topic: The reason Why Some M1 Carbine Receivers Are Green
Posted By: quanjito
Subject: The reason Why Some M1 Carbine Receivers Are Green
Date 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.

https://youtu.be/oGkAR0I5mGg" rel="nofollow - https://youtu.be/oGkAR0I5mGg

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.


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I would rather die on my feet than live on my knees,

Zappata



Replies:
Posted By: Donnie
Date Posted: Nov 16 2021 at 7:32am
Most fascinating! Thanks for sharing the results of your findings.


Posted By: New2brass
Date 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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http://www.uscarbinecal30.com/forum/club-assistance-saginaw-receivers_topic4716.html" rel="nofollow - Club Survey Saginaw Receivers


Posted By: grburrell
Date Posted: Jan 10 2022 at 4:34pm
pretty interesting stuff!


Posted By: David Milisock
Date 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.

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David Milisock


Posted By: Bart1015
Date Posted: Jul 04 2022 at 12:32pm
the video is not showing up. 

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Always looking for more carbines.


Posted By: 35 Whelen
Date 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


Posted By: kro1970
Date Posted: Jul 04 2022 at 10:17pm
I did the same thing a while back and got the same result a reddish tint.


Posted By: blackfish
Date Posted: Jul 05 2022 at 8:43am
https://en.wikipedia.org/wiki/Chromium" rel="nofollow - https://en.wikipedia.org/wiki/Chromium(III)_oxide is my bet



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