The .20 Duster is a Center Fire cartridge with a Bullet Diameter of 0.204 in” (5.18mm) that is primarily used in Rifles. The .20 Duster originated in The United States in (UNKNOWN DATE). The .20 Duster also has a case length of 1.679 in” (42.65mm) and an overall length of 1.899 in” (48.23mm).
Additional Cartridge Designations: Wildcat Cartridge.
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