The .455 Webley Mk II (AKA: .455 Webley Mark II) is a Center Fire cartridge with a Bullet Diameter of 0.454 in” (11.53mm) that is primarily used in Pistols. The .455 Webley Mk II originated in The United Kingdom in 1897. The .455 Webley Mk II also has a case length of 0.77 in” (19.56mm) and an overall length of 1.23 in” (31.24mm).
Additional Cartridge Designations: Historic, Discontinued
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