U stamp on 4.35 mill NPM query

[LimeyCarbineLover]

Guys was looking with view to a new addition to the carbine collection today at a 4.3million NPM......first question is this receiver is stamped with U on the slope of the receiver in front of the recoil plate.....what does this stand for please ? is it a sub contract receiver.

also any brief details on what this 4.3million NPM should have on it and approx month and year of manufacture .

Hope you guys are having a great sunday ?

Regards

Lloyd

Information

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[Milsurp Collector]

Receiver was one of 50,052 made by Union Switch & Signal Co. for NPM.

High wood stock should be marked Trimble TN, Type 1 front band, flip sight marked N-A, pushbutton safety, flat bolt.

"4.3 million" eh? Well, that sure narrows it down!

Sometime between Jan. and Apr. 1944

[LimeyCarbineLover]

Many thanks Milsurp Collector appreciate your time in responding.....actual serial number is 4354637.......so that can narrow it down a bit more.
I didnt realise USS did sub contract receivers i thought the U was Underwood so you live and learn.
Until i have a close look at it i bet its an armory rebuild but at least you have given me the info i need to start.
I havent got a 1944 one yet.... but this NPM may fit the bill......then to find a nice late war 1945 one.

Regards

LLoyd

[Milsurp Collector]

I didnt realise USS did sub contract receivers i thought the U was Underwood so you live and learn.

Union Switch & Signal also made 28,949 receivers for Quality HMC, marked UN-QUALITY. They are sought-after.