![]() | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (October 2020) |
.32 ACP | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() 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 | ||||||||||||||||||||
| ||||||||||||||||||||
Test barrel length: 4 in,[1] 4 in,[2] 5.9 in,[3] 3.9 in[4] Source(s): [1][2][3][4] |
.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.[5]