The .17 Hornady Magnum Rimfire (AKA: .17 HMR) is a Rimfire cartridge with a Bullet Diameter of 0.179 in” (4.55mm) that is primarily used in Rifles and Pistols. The .17 Hornady Magnum Rimfire originated in The United States in (UNKNOWN DATE). The .17 Hornady Magnum Rimfire also has a case length of 1.058 in” (26.87mm) and an overall length of 1.349 in” (34.26mm).
Additional Cartridge Designations: No Additional Information at this time.
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