.380 ACP is simply another name for the 9x17 cartridge, also known as the 9mm Short or 9mm Kurz.
380 ACP or 9mm short or 9mm corto
.380 ACP, also known as 9x17mm, 9mm Short, and 9mm Kurz.
They are the same round. In the "metric world" outside the US it's called 9mm Kurz (German for "short") and in the US it's called the .380 ACP. Other names, depending on the country and manufacturer, include .380 Auto, 9mm Browning, 9mm Corto, 9mm Short and 9x17mm, and there are even some others. The confusion is caused by the fact that US ammo named .38 or .380 is the diameter of the brass cartridge while the bullet is actually .35" (9mm) diameter.
380 ACP, 9mm Kurz
Yes. .380 ACP is ONE of the full names for the cartridge- stands for Automatic Colt Pistol. You may also see it as 9mm Kurz, or 9mm Corto (means 9mm Short),
You can only use .380 ACP ammo in a .380 pistol. Period.
9mm and 380 use the same diameter projectile, .355 inch
While the .380 is sometimes called the 9mm Kurz, it is not the same as the 9mm parabellum (also called 9mm Luger and 9x19). It is shorter than the 9mm.
9mm Short is another term for the .380 ACP cartridge.
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9mm Luger.
No, the .380 has less power than the 9mm or the .45 .