Rimfire cartridge
.17 Hornady Mach 2 |
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Type | Rifle |
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Place of origin | United States |
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Designer | Hornady |
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Designed | 2004 |
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Manufacturer | CCI/Hornady/Eley |
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Produced | 2004–present |
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Parent case | .22 Stinger |
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Case type | Rimmed, bottleneck |
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Bullet diameter | .172 in (4.4 mm) |
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Land diameter | .168 in (4.3 mm) |
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Neck diameter | .180 in (4.6 mm) |
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Shoulder diameter | .226 in (5.7 mm) |
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Base diameter | .226 in (5.7 mm) |
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Rim diameter | .275 in (7.0 mm) |
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Rim thickness | .043 in (1.1 mm) |
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Case length | .714 in (18.1 mm) |
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Overall length | 1.00 in (25 mm) |
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Primer type | Rimfire |
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Maximum pressure | 24,000 psi (170 MPa) |
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Bullet mass/type |
Velocity |
Energy |
17 gr (1 g) V-Max |
2,100 ft/s (640 m/s) |
166 ft⋅lbf (225 J) |
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Source(s): Hornady [1] |
The .17 Hornady Mach 2, commonly known as the .17 HM2, is a rimfire cartridge introduced in 2004 by the ammunition manufacturer Hornady, following the successful launch in 2002 of the .17 HMR. The .17 HM2 is based on the .22 Long Rifle "Stinger" case, necked down to .17 caliber (4.5 mm) and using a bullet weighing less than half the weight of a typical .22 Long Rifle bullet.
- ^ Cite error: The named reference
Hornady
was invoked but never defined (see the help page).