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My NPM M1 Carbine
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Carl Bine View Drop Down
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Joined: Jul 01 2020
Location: Northport NY
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Points: 77 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Carl Bine Quote  Post ReplyReply Direct Link To This Post Topic: My NPM M1 Carbine
    Posted: Jul 23 2020 at 1:53pm
My NPM, 4143246.

So far everything I find is correct except for the hammer, which seems to be Inland. (Ruth book does not state that Inland sent hammers to NPM at or around the time of manufacture.) (Of course the late barrel band and type II sight is not correct as well)

I have not removed the trigger or sear but spied the sear markings. Stock markings correct, as is "TN" hand guard. Proper Underwood 1-44 barrel. I fitted the 60's sling. Oiler is correct.

I assume this Carbine was made correct after the Augusta visit because it does not have the flip safety... and highly doubt the chances of all the correct parts being refitted at re-arsonel, however if anyone knows how this could have survived with only band and sight upgrade, please advise.

 Took it out yesterday for the first time. Shoots like a dream. Put 120 rounds through. No stovepipes, but did have two misfeeds due to what I believe to be magazine issues. (Brand new 10 round mags.) 

Almost done with the data sheet, will send when done. 

Any observations appreciated. 
the r
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W5USMC View Drop Down
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Joined: Apr 29 2017
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Points: 2959 		Post Options Post Options   Thanks (1) Thanks(1)   Quote W5USMC Quote  Post ReplyReply Direct Link To This Post Posted: Jul 23 2020 at 2:14pm
I would say that with the 1-44 barrel date, no punch mark and two P's that the barrel is not original to that receiver. I do love NPM's original or not!
Wayne
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Carl Bine View Drop Down
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Joined: Jul 01 2020
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Points: 77 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Carl Bine Quote  Post ReplyReply Direct Link To This Post Posted: Jul 23 2020 at 2:20pm
Originally posted by W5USMC W5USMC wrote:

I would say that with the 1-44 barrel date, no punch mark and two P's that the barrel is not original to that receiver. I do love NPM's original or not!


What build date does that serial number suggest? 
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Joined: Dec 27 2015
Location: Tennessee
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Points: 883 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Why Carbines? Quote  Post ReplyReply Direct Link To This Post Posted: Jul 23 2020 at 2:45pm
Looks like an UEF barrel proof for sure and maybe a partial ahead of it? Ordnance told Underwood not to proof barrels intended for NPM quite early on in their production. My 1.51 with 6-43 UEF barrel has only a punch mark and nothing else. Pinning down a build date for a NPM carbine can be kind of tricky since they didn't follow a number sequence.
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W5USMC View Drop Down
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Joined: Apr 29 2017
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Points: 2959 		Post Options Post Options   Thanks (1) Thanks(1)   Quote W5USMC Quote  Post ReplyReply Direct Link To This Post Posted: Jul 23 2020 at 2:53pm
Carl, very hard to pin down actual build dates in relation to serial #'s as there were lots of variables during assembly. There are 2 carbines of the month in the club newsletters close or later to your serial, 4149836 and 4161802, I also own 4166110, all of which have 11-43 dated Buffalo Arms Barrels. 
For what it is worth Ruth's Carbine owner's guide has an estimated or approximate manufacture date window of Oct-Dec 1943 for serial range  4075000- 4180000.
Wayne
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tenOCEE View Drop Down
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Joined: Jan 01 2016
Location: East Tenn
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Points: 1330 		Post Options Post Options   Thanks (1) Thanks(1)   Quote tenOCEE Quote  Post ReplyReply Direct Link To This Post Posted: Jul 23 2020 at 4:18pm
I think it was a 4.43 serial that a local guy found having all early features. It being one of the 7000 additional serials NPM had asked for.
My sig: Seen an IP or S'G'? Add it to my registry. We'll check consecutives.
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m1a1fan View Drop Down
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Joined: Jan 01 2016
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Points: 1736 		Post Options Post Options   Thanks (0) Thanks(0)   Quote m1a1fan Quote  Post ReplyReply Direct Link To This Post Posted: Jul 23 2020 at 8:52pm
Observed a 4.13 NPM not long ago.

It also had a Buffalo Arms barrel. Barrel date was 10-1943.

Barrel had P and punch mark.
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