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My NPM |
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Jeremy 
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Joined: Mar 03 2026 Location: Florida Status: Offline Points: 19 |
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 Topic: My NPMPosted: Mar 11 2026 at 6:27pm |
      
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Jeremy
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Jeremy
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Posted: Mar 12 2026 at 8:11pm |
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Can anyone tell me about this gun?
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Jeremy
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welbytwo
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Advanced Collector Joined: Jan 01 2016 Location: Indiana Status: Offline Points: 931 |
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Posted: Mar 12 2026 at 8:52pm |
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its been thru a rebuild with adj sight is my best speculation--when you look at sanded stock and no wear on mag catch you tend to think been restored some--probably a repro mag catch as it looks new-no wear
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jackp1028
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Joined: Jan 01 2016 Location: Cloudcroft, NM Status: Offline Points: 1450 |
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Posted: Mar 12 2026 at 10:00pm |
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You can hardly make out the word "TRIMBLE" above the "TN" in the sling well. This is often the case that "TRIMBLE" is not well struck.
BTW, welcome to the Forum from New Mexico. |
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JackP
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usmcdoc67
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Joined: Jul 01 2016 Location: Tennessee Status: Offline Points: 202 |
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Posted: Mar 13 2026 at 10:46am |
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Put up pics of the trigger housing, barrel band & op rod.
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Glenn
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Jeremy
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Posted: Mar 13 2026 at 11:11am |
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I will Sunday when I get back home I tore gun down and all parts had correct markings except for rear site
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Jeremy
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jackp1028
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Joined: Jan 01 2016 Location: Cloudcroft, NM Status: Offline Points: 1450 |
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Posted: Mar 13 2026 at 11:35am |
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At first, I thought the Underwood front sight was out of place on this carbine, but I found that during the latter half of 1943, Underwood transferred a number of sights to NPM (WB! pg. 457), so maybe this sight is okay. I would have expected to see a sight marked "SN" during this timeframe such as found on COM's 293 & 363. Also, does the barrel have the proof punch mark typical of NPM's about 6" from the muzzle? This would be in addition to any proof mark Underwood might have left on this barrel that NPM obtained from the Government-Free-Issue-Barrel program.
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JackP
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Jeremy
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Posted: Mar 13 2026 at 12:06pm |
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Yes it has the p proof down a little farther. I’ll take better pics when I get back
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Jeremy
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W5USMC
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Joined: Apr 29 2017 Location: Missouri Status: Offline Points: 3640 |
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Posted: Mar 13 2026 at 12:32pm |
Not the "P" proof, but an actual punch mark, looks like an indentation made by a pointed punch.
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Wayne
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Jeremy
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Posted: Mar 13 2026 at 12:42pm |
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Ok will look for that thank you
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Jeremy
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Jeremy
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Posted: Mar 15 2026 at 7:28pm |
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Jeremy
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Jeremy
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Posted: Mar 15 2026 at 7:29pm |
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Jeremy
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Jeremy
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Posted: Mar 15 2026 at 7:30pm |
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Jeremy
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Jeremy
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Posted: Mar 15 2026 at 7:31pm |
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Jeremy
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Jeremy
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Posted: Mar 15 2026 at 7:32pm |
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Jeremy
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Dave T
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Posted: Mar 16 2026 at 7:03am |
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Did NPM use adjustable rear sights or did they not?
The staking looks pretty good to me. Larsons book says they did. |
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Dave
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New2brass
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Dan Pinto, How Can I help Joined: Nov 29 2015 Location: CCC Status: Offline Points: 5527 |
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Posted: Mar 16 2026 at 7:54am |
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Larson also shows a welded up M1 receiver front half to a high serial number in the M2 range rear section. There are many instances of tom foolery in the book as well as fake parts
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jackp1028
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Posted: Mar 16 2026 at 3:05pm |
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To add to what Dan said, both COM's I referred to earlier that were in the same serial number range as yours had flip sights, not adjustable sights. I would expect yours to originally have a flip sight marked "RN", "TN" or "N-A". Check out this later NPM in the Carbines of the Collectors forum for comparison.
https://www.uscarbinecal30.com/forum/my-nicest-postal-meter_topic1524.html Perhaps the adjustable sight on your NPM was added as a field upgrade. Edited by jackp1028 - Mar 16 2026 at 3:25pm |
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JackP
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Jeremy
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Posted: Mar 16 2026 at 3:12pm |
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Yep no way to know for sure. Might have to part ways and get one w original flip sites
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Jeremy
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painter777
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Posted: Mar 16 2026 at 6:11pm |
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It might have had the .U. front sight added when the rear Adj sight went on, makes it easier to tune them together.
For shooting, I much prefer the rear Adj sight Is the stock a Hi-Wood? Charlie-P777
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Jeremy wrote: