Saw this while visiting the Cody Firearms Museum some years ago. This is the GyroJet Pistol. Specifically the GyroJet “Mark I-B”.
These weapons basically fire small rocket propelled bullets. It seems the initial purpose was to achieve armor piercing speeds to win government contracts.
![GyroJet Pistol](https://john1911.com/wp-content/uploads/2022/02/Gyrojet-Pistol-3-1024x768.jpeg)
That didn’t end up coming to fruition so the ammunition was down sized to below 50 caliber so each round didn’t have to be taxed as a destructive device. Thanks, Uncle Sam (sic).
![GyroJet Pistol](https://john1911.com/wp-content/uploads/2022/02/Gyrojet-Pistol-1-1024x768.jpeg)
I don’t really know enough about these to have an informed opinion on the concept’s viability. But…I will say that since I took these photos, the US Army has been very successfully fielding “rocket assisted” artillery rounds. When you think about it, not all that different of a concept than the GyroJet.
Sincerely,
Marky
www.John1911.com
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