The M55 anti-aircraft gun was a vehicle or tripod-based, three-barreled light anti-aircraft gun chambered for the 20x110mm Hispano cartridge.

factualpending

Speaker

Ian McCollum

Evidence Quote

Typically it was a vehicle or tripod based, 3 barrelled light anti-aircraft gun chambered for the 20x110mm Hispano cartridge.

Source

RT20: Croatia's Insane Kludged 20mm Anti-Materiel RifleForgotten Weapons
Created: 8/13/2026, 7:43:37 AM

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