380 ACP Ammo

The .380 ACP (Automatic Colt Pistol) is a rimless, straight-walled pistol cartridge developed by firearms designer John Moses Browning.

It was introduced in 1908 by Colt, for use in its new Colt Model 1908 pocket hammerless semi-automatic, and has been a popular self-defense cartridge ever since.

The .380 ACP does not strictly conform to cartridge naming conventions, named after the diameter of the bullet, as the actual bullet diameter of the .380 ACP is 9mm (.355 inches) and should not be confused with .38 ACP the design from which it was derived.

Other names for .380 ACP include:

The .380 ACP is compact and light, but has a relatively short range and less stopping power than other modern pistol cartridges, depending on the load of the cartridge and manufacturer.

The .380 ACP remains a popular self-defense cartridge for shooters who want a lightweight or smaller pistol with manageable recoil. It is slightly less powerful than a standard-pressure .38 Special but also uses 9 mm (.355) diameter bullets. The standard bullet weights are generally 80, 85, 90, 95, 100, 115, and 120 grain, though between 80 to 100 grain is the most common.

The wounding potential of bullets is often characterized in terms of a bullet's expanded diameter, penetration depth, and energy. Bullet energy for .380 ACP loads varies from roughly 190 to 294 foot-pounds force (258 to 399 J).

(Source: Wikipedia)