![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)
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 (
![An introduction to collecting 20 mm cannon cartridges The 20 mm automatic cannon first saw service during World War 1 but achieved its An introduction to collecting 20 mm cannon cartridges The 20 mm automatic cannon first saw service during World War 1 but achieved its](https://www.quarryhs.co.uk/20mm1.jpg)
An introduction to collecting 20 mm cannon cartridges The 20 mm automatic cannon first saw service during World War 1 but achieved its
![File:Dubendorf Flieger Flab Museum - 20mm Oerlikon cannon anti-aircraft gun(Ank Kumar) 01.jpg - Wikimedia Commons File:Dubendorf Flieger Flab Museum - 20mm Oerlikon cannon anti-aircraft gun(Ank Kumar) 01.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/8/86/Dubendorf_Flieger_Flab_Museum_-_20mm_Oerlikon_cannon_anti-aircraft_gun%28Ank_Kumar%29_01.jpg)