| .320 Revolver |
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| Type | Revolver |
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| Place of origin | United Kingdom |
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|
| Designer | P. Webley & Son |
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| Designed | 1868 |
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| Produced | 1868 - 1920s |
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|
| Parent case | .32 Short Rimfire |
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| Bullet diameter | .3170 in (8.05 mm) |
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| Neck diameter | .3200 in (8.13 mm) |
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| Base diameter | .3220 in (8.18 mm) |
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| Rim diameter | .3500 in (8.89 mm) |
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| Case length | .6200 in (15.75 mm) |
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| Overall length | .9000 in (22.86 mm) |
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| Rifling twist | 1 turn in 22 in (560 mm) |
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| Primer type | Berdan |
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| Bullet mass/type |
Velocity |
Energy |
| 80 gr (5 g) Lead |
168 m/s (550 ft/s) |
73 J (54 ft⋅lbf) |
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| Source(s): Cartridges of the World - 8th Edition (1997), Frank C. Barnes, page 245 |
The .320 Revolver, also known as the .32 Short Colt or .32 Webley, is an obsolete revolver cartridge. Its ballistic performance is comparable to that of the .25 ACP.