Brøndby Maskinpistol Model 1933

Fridtjof Brøndby was a Norwegian arms designer who created a number of self-loading rifle designs in the 1930s, including one which was submitted to the Norwegian Army for testing. He also developed a 7.62mm submachinegun, the Maskinpistol Model 1933. We don’t have much information on Brøndby, but we do have a good set of photos of his 1933 design.


Brondby Maskinpistol Model 1933

Brondby Maskinpistol Model 1933

The Model 1933 was a gas-operated, locked breech design, but fired from an open bolt. We can tell that much from the photos, but not a great deal more. You can see the whole set on the Brøndby Model 1933 page in the Vault.

The one other photo we have been able to find is an unfortunately small image unearthed by Tony Williams from a British pre-WWII report, which shows the Maskinpistol 1933 along with three other of Brøndby’s designs:

Brondby rifles
From top to bottom, 7.92mm selfloader, 6.5mm selfloader, LMG variant, Maskinpistol Model 1933

Do you have more information on Brøndby or his designs? Let us know!



  1. Here is his patent for what I think is the gas used on this gun. US 2003066.
    Here is a latter patent for a gas system US 2223671 of his.

    The drawings don’t show anything outside of the gas system.

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