USA Copied 20mm Ammo from Germans! A look at the USA 20x138mm cartridge case #military #history #ww2
This video delves into the history of the 20mm cartridge case, specifically the 20x138mm, and explores claims that the USA copied this design from German World War II developments. The analysis focuses on the origins and influences behind this significant military ammunition, providing historical context and technical details regarding the cartridge case itself. The video aims to educate viewers on the evolution of military ordnance and its design lineage.










