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8/8/2025 1:23:09 AM EDT
Okay I purchased this barrel many many years ago.  It is supposedly an early Colt 9mm 635 barrel.  The machining looks like colt, chrome lined has 9mm-NATO stamped by front sight base.  I have owned many colts over the years but I have never seen this marking like this on a 16 inch green or blue label barrel.  I have never seen this on a 10.5 either.  Any experts out there who can tell me who made it and is it a factory 10.5.   Attached File
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8/8/2025 1:24:39 AM EDT
[#1]
I have found no other markings or dates on it.
8/8/2025 10:17:17 AM EDT
[#2]
I couldn't quite tell.. does the barrel have a shoulder at the back of the FSB ?

Any legible markings on the FSB ?
*Hold on to your AR-15s. Their magic must be very powerful, or they wouldn’t want them.*
JAFOM.... Just another fat old man.

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TOGC,IADC
9/23/2025 9:38:36 PM EDT
[#3]
OE COLT 9mm barrel be 1/2-36 thread out front


Most all 3rd party be doing 1/2-28

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