.32 ACP
.32 ACP (Automatic Colt Pistol, also known as the .32 Auto, .32 Automatic, or 7.65×17mmSR) is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pistol. It was introduced in 1899 by Fabrique Nationale, and is also known as the 7.65 mm Browning Short.
| .32 ACP | ||||||||||||||||||||
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Standard (left) and nickel-coated military (right) full metal jacket (FMJ) .32 ACP rounds | ||||||||||||||||||||
| Type | Pistol | |||||||||||||||||||
| Place of origin | United States | |||||||||||||||||||
| Production history | ||||||||||||||||||||
| Designer | John Browning | |||||||||||||||||||
| Manufacturer | Fabrique Nationale | |||||||||||||||||||
| Produced | 1899–present | |||||||||||||||||||
| Specifications | ||||||||||||||||||||
| Case type | Semi-rimmed, straight | |||||||||||||||||||
| Bullet diameter | .3125 in (7.94 mm) | |||||||||||||||||||
| Land diameter | .3005 in (7.63 mm) | |||||||||||||||||||
| Neck diameter | .3365 in (8.55 mm) | |||||||||||||||||||
| Base diameter | .337 in (8.6 mm) | |||||||||||||||||||
| Rim diameter | .358 in (9.1 mm) | |||||||||||||||||||
| Rim thickness | .045 in (1.1 mm) | |||||||||||||||||||
| Case length | .680 in (17.3 mm) | |||||||||||||||||||
| Overall length | .984 in (25.0 mm) | |||||||||||||||||||
| Primer type | Small pistol | |||||||||||||||||||
| Maximum pressure | 20,500 psi (141 MPa) | |||||||||||||||||||
| Ballistic performance | ||||||||||||||||||||
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| Test barrel length: 4 in, 4 in, 5.9 in, 3.9 in Source(s): | ||||||||||||||||||||
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