The UK just prior to the outbreak of WWII adopted this cartridge when they realized that they were short of weapons. They looked at another Czech machine gun the Zb 53 M1937 and applied it to the secondary armament on their tanks. The original calibre of 7.92mm was retained because of the - 7×57mm Mauser - Document - PDFSEARCH.IO

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	The UK just prior to the outbreak of WWII adopted this cartridge when they realized that they were short of weapons. They looked at another Czech machine gun the Zb 53 M1937 and applied it to the secondary armament on their tanks. The original calibre of 7.92mm was retained because of the Add to Reading List Open Document File Size: 486,87 KB Share Result on Facebook Country United Kingdom / / SocialTag .303 British 7.92 x 57mm Mauser .50 BMG Ammunition Cartridge Besa machine gun