| .32 Short Rimfire |
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|
| Type | Rifle and handgun |
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| Place of origin | United States |
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|
| Designer | Smith & Wesson |
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| Designed | 1860 |
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|
| Case type | Rimmed, straight |
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| Bullet diameter | .316 in (8.0 mm) |
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| Neck diameter | .318 in (8.1 mm) |
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| Base diameter | .318 in (8.1 mm) |
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| Rim diameter | .377 in (9.6 mm) |
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| Case length | 0.575 in (14.6 mm) |
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| Overall length | 0.948 in (24.1 mm) |
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| Primer type | Rimfire |
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|
|
|
| Bullet mass/type |
Velocity |
Energy |
| 80 gr (5 g) Rimmed |
945 ft/s (288 m/s) |
159 ft⋅lbf (216 J) |
|
| Test barrel length: 24 |
| .32 Long Rimfire |
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| Type | Pistol/Rifle |
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| Place of origin | United States |
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|
| Designer | Smith & Wesson |
|---|
| Designed | 1860 |
|---|
|
| Case type | Rimmed, straight |
|---|
| Bullet diameter | .316 in (8.0 mm) |
|---|
| Neck diameter | .318 in (8.1 mm) |
|---|
| Base diameter | .318 in (8.1 mm) |
|---|
| Rim diameter | .377 in (9.6 mm) |
|---|
| Case length | 0.791 in (20.1 mm) |
|---|
| Overall length | 01.26 in (32 mm) |
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| Primer type | Rimfire |
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|
|
|
| Bullet mass/type |
Velocity |
Energy |
| 90 gr (6 g) Rimmed |
1,080 ft/s (330 m/s) |
233 ft⋅lbf (316 J) |
|
| Test barrel length: 24 |
| .32 Extra Long |
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| Type | Pistol/Rifle |
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| Place of origin | United States |
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|
| Case type | Rimmed, straight |
|---|
| Bullet diameter | .316 in (8.0 mm) |
|---|
| Neck diameter | .318 in (8.1 mm) |
|---|
| Base diameter | .318 in (8.1 mm) |
|---|
| Rim diameter | .377 in (9.6 mm) |
|---|
| Case length | 1.150 in (29.2 mm) |
|---|
| Overall length | 01.26 in (32 mm) |
|---|
| Primer type | Rimfire |
|---|
|
|
|
| Bullet mass/type |
Velocity |
Energy |
| 90 gr (6 g) Rimmed |
1,050 ft/s (320 m/s) |
221 ft⋅lbf (300 J) |
|
| Test barrel length: 24 |
The .32 rimfire / 8x20mmRF refers to a family of cartridges which were chambered in revolvers and rifles in the late 19th and early 20th centuries. These rounds were made primarily in short and long lengths, but extra short, long rifle and extra long lengths were offered.
