20 mm caliber
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20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons", is conventionally taken to
A 20×102mm round (second from left) with .50 BMG rounds, golf ball, and a stick of 168-pin SDRAM computer memory
Anzio 20mm rifle
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The Anzio 20mm rifle is an American anti-materiel rifle designed and marketed by Anzio Iron Works. It is the first American anti-materiel rifle designed and mass-produced for public sale with a bore d
20 mm caliber
…of origin Cartridge Notes Neopup PAW-20 South Africa 20×42mm Denel NTW-20 South Africa 20×82mm Mauser Denel Vektor GA-1 South Africa Vidhwansak India Anzio 20mm rifle United States 20×102mm Arash anti-materiel rifle Iran M61 Vulcan United States M197 electric cannon United States M39 cannon United States GIAT M621…
Anzio 20mm