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3 in Circle IP Receiver Marking ?

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New2brass View Drop Down
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Dan Pinto, Photo Editor

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Post Options Post Options   Thanks (1) Thanks(1)   Quote New2brass Quote  Post ReplyReply Direct Link To This Post Posted: Apr 14 2021 at 11:20am
You had asked about the finish.

Parkerizing is a phosphate finish. There were many companies with different formulas or process.
Phosphate finishes had a wide variety of shades that range from a silvery gray to black.

We see some Bavarian returns that have been blued, others phosphate finished.
The Italian returns were a black phosphate. I do not know if all were.

With the mysterious 3 in circle marking we see different finishes. If you look at the Inland above your picture it appears to be an original black oxide finish, which is something Inland did early on before switching to a phosphate coating.
The we see some gray phosphate carbines with the 3 in circle.

It could be that whatever agency had them did the refinishing or it could have been an importer or even a subsequent owner.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote W5USMC Quote  Post ReplyReply Direct Link To This Post Posted: May 08 2022 at 5:08pm
Another Circled 3, on GB now from RTI.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote stevehowa Quote  Post ReplyReply Direct Link To This Post Posted: May 13 2022 at 12:28am
3 in circle IP Receiver Marking.  Also have a T stamped next to US 30 Carbine that seems out of place.  
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Dan Pinto, Photo Editor

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Post Options Post Options   Thanks (0) Thanks(0)   Quote New2brass Quote  Post ReplyReply Direct Link To This Post Posted: May 13 2022 at 7:17am
Originally posted by stevehowa stevehowa wrote:

  Also have a T stamped next to US 30 Carbine that seems out of place. 


Can you post a pic?
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Post Options Post Options   Thanks (1) Thanks(1)   Quote stevehowa Quote  Post ReplyReply Direct Link To This Post Posted: May 13 2022 at 7:40am
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Dan Pinto, Photo Editor

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Post Options Post Options   Thanks (0) Thanks(0)   Quote New2brass Quote  Post ReplyReply Direct Link To This Post Posted: May 14 2022 at 6:11pm
Thank you Steve, That is a new one for me!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stevehowa Quote  Post ReplyReply Direct Link To This Post Posted: May 14 2022 at 8:41pm
Thank you for having a look.  I have been searching for a similar mark without success.   
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Pro Libertate Quote  Post ReplyReply Direct Link To This Post Posted: Nov 09 2022 at 4:23pm
I recently purchased an Inland (serial #6710250) with a circled “3” behind the serial. There’s also an inverted/sideways “N” on the receiver, just above the chamber. I don’t know if it’s significant or not, but there’s also a sideways “2” on the right side of the receiver. “CAI ST A VT” import stamp on bottom of barrel, approximately 1” forward of the bayonet lug.






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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bigheavy31 Quote  Post ReplyReply Direct Link To This Post Posted: Nov 10 2022 at 8:19pm
Took another look at my “3” marked S’G’- mine also has an odd mark near the barrel Mount ring. Might be a partial T.



Edited by W5USMC - Nov 10 2022 at 9:10pm
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