The .17 Hornady Mach 2 (AKA: .17 HM2) is a Rimfire cartridge with a Bullet Diameter of 0.172 in” (4.37mm) that is primarily used in Rifles and Pistols. The .17 Hornady Mach 2 originated in The United States in (UNKNOWN DATE). The .17 Hornady Mach 2 also has a case length of 0.714 in” (18.14mm) and an overall length of 1 in” (25.4mm).
Additional Cartridge Designations: No Additional Information at this time.
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