Projectile diameter is the same. 9mm case length is longer.
No it is dangerous to attempt a 9mm is a bigger bullet. More specifically, 9mm Luger is a longer cartridge that .380 ACP.
380 ACP, 9mm Kurz
380 ACP or 9mm short or 9mm corto
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),
9mm Short is another term for the .380 ACP cartridge.
.380 ACP, also known as 9x17mm, 9mm Short, and 9mm Kurz.
The 9mm Parabellum is longer than the .380 ACP (also called the 9mm Short) They do not interchange.
Yes. 9mm Kurz (or Cortos) is the European designation for .380 ACP. also called .380 Auto.
You can only use .380 ACP ammo in a .380 pistol. Period.
No, a .380 ACP bullet cannot fit in a 9mm chamber. Although both cartridges are similar in size, the .380 ACP is shorter and has different dimensions compared to the 9mm Luger. Attempting to fire a .380 in a 9mm firearm could lead to dangerous malfunctions. Always use the correct ammunition specified for your firearm.
Depends. .380 ACP is used to refer to the 9x17 cartridge. It is not interchangeable for use in 9x18 (9mm Makarov), 9x19 (9mm Parabellum/Luger), or any other firearm designed for any cartridge other than the .380 ACP/9x17 cartridge.
Assuming you're referring to the 9x19mm (also known as the 9mm Parabellum or 9mm Luger) and the .380 ACP (also known as the 9x17mm, 9mm Short, and 9mm Kurz), the answer is no on both counts, and it would be extremely dangerous to try this.