Hey there CGN,
I have an M1 Garand that I am trying to decipher some barrel markings on it, and would like a second opinion on what I have.
It has "Nitro Proved, 30, and NOT ENGLISH MAKE" Stamped on the left side of the chamber / barrel. I believe these to be English / British import or export proof markings but they do not look like London Proof house or Birmingham proof house stamps on other "Lend lease or commercially imported/exported" m1 garands from Britain post war.
The barrel is dated 8-A-12-41 = Dec 1941 production
Pictures: https://imgur.com/a/tpnTt0d
There are no other markings on the barrel besides what is shown in the photos.
Rifle serial # is 467### = Feb 1942 receiver
Bolt is a 2SA with a RE5A heat treat = July ish 1941 manufacture?
Trigger housing is a 12-SA = 1942 - 1943 production
Hammer is a 3 SA = 1942 to 1943 production
I appreciate the help as I have been doing lots of research but just can't find anything to do with these specific barrel proof markings.
Pictures of the rear sight: https://imgur.com/a/raqUOCx
Pictures of all three Garands in the collection.... https://imgur.com/a/4ePjq6E
Top: 1945 receiver / barrel - rest of the parts are a mix of 1943 / 1944 / 1945. Stock has correct marks / cartouches but has the rifle serial number stamped on the bottom of the butt? Looks to be machine stamped / engraved and not by hand.
EDIT: Later found out that this rifle is an ex Danish military rifle donated post 1945. This rifle still retains the 1954 springfield barrel as it wasn't rebarreled with a VAR barrel. Danish rifles had the serial numbers on the stocks and a brass stock disc. These were removed after service with the Danish but I found a fellow in the CM forums that makes replicas. I did edit out some of the serial numbers in paint, that is why there are gaps.

Middle: 1943 / 1944 all USGI parts selected on this built gun with a 1955 Springfield armory barrel. This is my range gun and will be getting a dupage laminate stock put on it.
Bottom: 1941 / 1942 Receiver / barrel - has possible British proof marks (I will be replacing this broken stock with the stock from the middle rifle which is getting a dupage laminate)
Thank you in advance!
I have an M1 Garand that I am trying to decipher some barrel markings on it, and would like a second opinion on what I have.
It has "Nitro Proved, 30, and NOT ENGLISH MAKE" Stamped on the left side of the chamber / barrel. I believe these to be English / British import or export proof markings but they do not look like London Proof house or Birmingham proof house stamps on other "Lend lease or commercially imported/exported" m1 garands from Britain post war.
The barrel is dated 8-A-12-41 = Dec 1941 production
Pictures: https://imgur.com/a/tpnTt0d
There are no other markings on the barrel besides what is shown in the photos.
Rifle serial # is 467### = Feb 1942 receiver
Bolt is a 2SA with a RE5A heat treat = July ish 1941 manufacture?
Trigger housing is a 12-SA = 1942 - 1943 production
Hammer is a 3 SA = 1942 to 1943 production
I appreciate the help as I have been doing lots of research but just can't find anything to do with these specific barrel proof markings.
Pictures of the rear sight: https://imgur.com/a/raqUOCx
Pictures of all three Garands in the collection.... https://imgur.com/a/4ePjq6E
Top: 1945 receiver / barrel - rest of the parts are a mix of 1943 / 1944 / 1945. Stock has correct marks / cartouches but has the rifle serial number stamped on the bottom of the butt? Looks to be machine stamped / engraved and not by hand.
EDIT: Later found out that this rifle is an ex Danish military rifle donated post 1945. This rifle still retains the 1954 springfield barrel as it wasn't rebarreled with a VAR barrel. Danish rifles had the serial numbers on the stocks and a brass stock disc. These were removed after service with the Danish but I found a fellow in the CM forums that makes replicas. I did edit out some of the serial numbers in paint, that is why there are gaps.

Middle: 1943 / 1944 all USGI parts selected on this built gun with a 1955 Springfield armory barrel. This is my range gun and will be getting a dupage laminate stock put on it.
Bottom: 1941 / 1942 Receiver / barrel - has possible British proof marks (I will be replacing this broken stock with the stock from the middle rifle which is getting a dupage laminate)
Thank you in advance!
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