.380 ACP

1908 · John Browning · 165 firearms in catalog

Also known as: .380 Auto, 9x17mm, 9mm Kurz, 9mm Short

Cartridge specifications

Bullet Diameter9.01 mm (0.355")
Neck Diameter9.47 mm (0.373")
Base Diameter9.5 mm (0.374")
Case Length17.3 mm (0.681")
Overall Length25 mm (0.984")
Max Pressure150 MPa (21,500 psi)
Typical Bullet Weight6.16 g (95 gr)
Typical Muzzle Velocity291 m/s (955 fps)
Typical Muzzle Energy261 J (193 ft·lbf)
Primer TypeSmall Pistol
Cartridge TypeRimless
Introduced1908

Firearms chambered in .380 ACP