37mm Ammo for M4 Autocannon from P-39 Airacobra & P-63 Kingcobra Fighters #military #history #ww2
This video showcases a rare original US World War II 37mm M55 A1 target practice round, designed for the M4 Colt Browning Autocannon. The presenter details the cartridge case specifications and demonstrates the careful removal of an M56 F point detonating fuse, highlighting the historical significance of these components used in iconic aircraft like the P-39 Airacobra and P-63 Kingcobra.






