![1944 Hispano Suiza HS404 20MM Anti Aircraft Gun - Artillery & Anti-Tank Weapons - HMVF - Historic Military Vehicles Forum 1944 Hispano Suiza HS404 20MM Anti Aircraft Gun - Artillery & Anti-Tank Weapons - HMVF - Historic Military Vehicles Forum](https://hmvforum.s3.amazonaws.com/monthly_2010_10/SDC11982.jpg.426d165634b10ef5e9f4ad92868d934d.jpg)
1944 Hispano Suiza HS404 20MM Anti Aircraft Gun - Artillery & Anti-Tank Weapons - HMVF - Historic Military Vehicles Forum
![Exerzierpatrone der Maschinenkanone Hispano-Suiza HS.404 im Kaliber 20 mm mit Gurtglied - Antiquitäten Sammlerecke Nördlingen e.K. Exerzierpatrone der Maschinenkanone Hispano-Suiza HS.404 im Kaliber 20 mm mit Gurtglied - Antiquitäten Sammlerecke Nördlingen e.K.](https://shop.strato.de/WebRoot/Store25/Shops/64864524/5AB5/0DE9/A10B/856B/3E40/0A0C/6D05/14E1/091.jpg)
Exerzierpatrone der Maschinenkanone Hispano-Suiza HS.404 im Kaliber 20 mm mit Gurtglied - Antiquitäten Sammlerecke Nördlingen e.K.
![UH-1B with the Hispano-Suiza M139 20mm autocannon. thought might make an interesting addition to the already UH-1B as a modification. The 20mm was able to fire to different types of AP rounds ( UH-1B with the Hispano-Suiza M139 20mm autocannon. thought might make an interesting addition to the already UH-1B as a modification. The 20mm was able to fire to different types of AP rounds (](https://preview.redd.it/5esip3o2e1w21.jpg?auto=webp&s=a7403a8e35eb4d273158c0b0bc5c103b01c9a016)