The Genar submachinegun was a development of the TZ45, which was developed during WWII and manufactured into the 1950s. We don’t have much more information on the Genar, but we do have a nice set of photos, thanks to our friend Roberto Allara in Italy.


    • I saw one of these guns in the ROVERETO MUSEUM Castle, near Trento – Italy. Since it is an italian museum, they also have Isotta, FNAB and Variara subguns. Maybe an Armaguerra too, but I am not sure about the Armaguerra, they had a lot of stuff in 2010.

  1. Genar PM410 SMG:
    9 mm para 20 or 40 rounds
    Barrlel 191
    Lenght 410
    Weight 2,69
    Genar PM470 SMG:
    9 mm para 2, 30 or 40 rounds
    Barrlel 205
    Lenght 745/470
    Weight 3,23

  2. Sorry for mistakes;
    9 mm para 20 or 40 rounds
    Barrel 191 mm
    Lenght 410 mm
    Weight 2,69 kg
    Genar PM470 SMG:
    9 mm para 20, 30 or 40 rounds
    Barrel 205 mm
    Lenght 745/470 mm
    Weight 3,23 kg

  3. Fascinating! What is the spring around the barrel for? Looks like a straightforward blowback SMG, but there’s this extra spring. Is it for cooling? Maybe a recoil buffer, but for 9mm? Not on the TZ45…

  4. Apologies for bumping an old post, but I do have a bit of information about this gun. It’s one of a series of submachine guns by Genar of which there were about five; the PM410, PM440, PM470, PM720, and MM735. “PM” stood for “Pistola Mitragliatrice” and “MM” stood for “Moschetto Mitragliatrice”. The numerical designations simply reflected the length of each model (in millimeters).

    The designers were Toni and Zorzoli Giandoso. After they came back from Burma in the early 50s they went to work for Genar in Rome. They produced a number of pretty basic blowback guns with some odd design quirks.

    The spring coiled around the barrel doesn’t really do anything and if I recall some of the early models had big pseudo-compensators that were also purely cosmetic. I think the idea was that they’d make the barrels look ribbed.

    Genar held the rights to the designs but production was handed over to a German -owned firm based out of Venice. None of the guns sold very well so only a handful were ever made.

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