American rifle cartridge
.32 Winchester Special |
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.32 Winchester Special in 165 grain Hornady FTX (left) and 170 grain Remington SP (right) |
Type | Rifle |
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Place of origin | United States |
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Designer | Winchester |
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Designed | 1899 |
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Produced | 1899–present |
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Parent case | .38-55 Winchester |
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Case type | Rimmed, bottleneck |
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Bullet diameter | .321 in (8.2 mm) |
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Land diameter | .315 in (8.0 mm)[1] |
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Neck diameter | .343 in (8.7 mm) |
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Shoulder diameter | .401 in (10.2 mm) |
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Base diameter | .422 in (10.7 mm) |
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Rim diameter | .506 in (12.9 mm) |
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Rim thickness | .063 in (1.6 mm) |
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Case length | 2.040 in (51.8 mm) |
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Overall length | 2.565 in (65.2 mm) |
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Case capacity | 45 gr H2O (2.9 cm3) |
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Rifling twist | 1 in 16 in (410 mm) |
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Primer type | Large rifle |
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Maximum pressure | 42,000 psi (290 MPa) |
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Bullet mass/type |
Velocity |
Energy |
170 gr (11 g) JFP |
2,283 ft/s (696 m/s) |
1,968 ft⋅lbf (2,668 J) |
165 gr (11 g) FTX |
2,410 ft/s (730 m/s) |
2,128 ft⋅lbf (2,885 J) |
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Source(s): Hodgdon[2] |
The .32 Winchester Special / 8.2x51mmR (or .32 WS) is a rimmed cartridge created in October 1898 for use in the Winchester Model 94 lever-action rifle.[3] It is similar in name but unrelated to the .32-20 Winchester cartridge (which is also known as .32 WCF).