Hispano Mk.II - WW II British aircraft cannon 20mm (4 pcs) CMK Q48193
Supermarine Spitfire C wing - Hispano 20mm cannons in fairings (two versions) Master -AM-72-004
Spitfire IX - Hispano Cannon Sounds v.2
Hispano Cannon
The South African Air Force
I read that a 20mm Hispano shell can weigh around 100g, is that true? With some maths that places 800 rounds of ammo at 80kg which seems very high. - Quora
Hispano-Suiza HS.404 - Wikipedia
20 mm slbrhpgr 95, one of the last 20x110 Hispano cartridges produced in Europe - General Ammunition Discussion - International Ammunition Association Web Forum
Supermarine Spitfire B wing - Hispano 20mm cannons in fairings Master -AM-32-018
2x20mm Hispano-Suiza Cannons on a Half Truck Used by the IDF in 1973 Yom Kippur war. - YouTube
Hispano Mk II 20mm cannon (4pcs) - fit perfectly to Mosquito from Airfix Master -AM-24-004
Hispano-Suiza HS.404 – Wikipedia
Hispano-Suiza HS.404 – Wikipedia
20mm hispano projectile that I found. : r/Warthunder
WW2 German, Soviet, Allied militaria, uniforms, awards, weapons history. War relics forum
Hispano-Suiza HS.820 - Wikipedia
Hispano 20mm cannons Aires 4182
A. L. BENTLEY DRAWINGS | Hispano 20mm Cannon Mks I,II and V
Hispano Autocannon | World War II Wiki | Fandom
The Pacific War Online Encyclopedia: Hispano-Suiza 20mm Cannon