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  1. #1

    Default Question about IBM Carbine

    I just picked up an M1 Carbine, IBM receiver, underwood (11-43) barrel, mixed internals, M2 stock and bolt. My question is about a Line punched through the words IBM Corp and a large N or Z stamped on the back of the receiver under the serial number. Anyone know what this is about?

    It has greenish parkerized look on all metal except for the mag release and the bayonet lug/barrel band which are black.

    Thanks for any responses in advance.

    Undertaker

  2. #2
    Join Date
    Jan 2010
    Posts
    380

    Default

    That would be a receiver that National Postal Meter acquired from IBM. I think NPM also bought receivers from Underwood and Inland, IIRC. Barrel could be original.

  3. #3

    Default

    Thanks for the information.

    Why did NPM get receivers from IBM and strike them for their own use? Was this a common occurence or was there a specific reason this was done?

    thanks again, do you have a link to this information that I may use to research further?

  4. #4
    Join Date
    Jan 2010
    Posts
    380

    Default

    I would imagine they bought the receivers to fill an order on time, not sure. Probably why they used other manufacturers barrels, too. Although not common, not rare either. If the gun was all original, the lineout would probably raise value some.

    Larry Ruths' book WAR BABY! would probably have lots of info on it, although I don't have it. Maybe someone here does, and they could provide more info.

    No link, I just remember reading it in "U.S. M1 Carbines, Wartime Production" by Craig Riesch. Although not perfect, it is an excellent beginners book, and cheap.

    You could also ask the guys over on milsurps.com (M1 carbine forum). Very dedicated group of carbine collectors. They could tell you much more than I, and probably more than Ruths book!

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