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What diameter is 380 auto?

Updated: 8/20/2019
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9y ago

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Its about .355 thousandths of an inch, roughly 36 caliber.

One would think it would be closer to 38 caliber (.38 hundredths of an inch) but that might refer to the diameter of the brass case the holds the bullet.

In other parts of the world, .380 is called 9mm Short. Even the revolver round .38 Special is actually 357 thousands of an inch, not 38.

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Q: What diameter is 380 auto?
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Value of Colt auto 380 auto 1897-1903?

.380 1903


What is the diameter of 380 ammo?

.355 bullet diameter


Can you shoot .38 caliber ammo in a 380 caliber handgun?

No. Ammo designated as .38 or .38 special is different than ammo designated as .380. .380 is designed for semi-auto handguns and .38 ammo is for revolvers.More to the point, the .38 Special has a longer case, and a larger diameter projectile. The .38 special bullet measures .357" diameter, the .380 measures .355" diameter. The .38 special is a 'rimmed' cartridge, and the .380 is 'rimless'. Luckily, .38 Special ammo will not fit in a .380 magazine, otherwise the results could be disastrous, possibly turning your .380 handgun into a hand grenade.


Can you fire 380 auto rounds out of a AMT 380 9mm Kurz?

Yes. 9mm Kurz (or Cortos) is the European designation for .380 ACP. also called .380 Auto.


Diameter of 380 bullet?

.355


What is the difference in 32 cal and 380 cal ammuniton?

Two different sizes. .32 is .320 inches in diameter, .380 is, well, .380. There are different .32 cartridges for revolvers and automatic pistols, the .380 is for automatic pistols. The .380 also has more power than a .32 auto.


Will a Jimenez 380 auto shoot 380 acp ammo?

Yup.


What is the Diameter of a 380 bullet?

.355 inches.


Why is it called the 380 9mm kurz does it shoot 9mm and 380?

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.


Is 380 auto the same as 380 ACP?

.380 ACP means .380 Caliber, Automatic Colt Pistol. Often shortened to 380 auto. In other parts of the world, the 380 ACP is called a "9mm short" (or Kurtz, Corto other languages for "short."). So yes.


What is difference between a 9mm caliber bullet and a 380 bullet?

None, the projectile diameter is the same for both - .355. If you are asking about a complete round of ammunition, the 9mm case is 19mm long and the 380 case is 17 mm long. This cartridge is called the ".380 Auto" for use with an automatic pistol. However, the most common 9mm round is the "9mm Lugar". This cartridge has a heavier bullet and a longer case, thus a larger muzzle velocity and energy than the .380 Auto.


What makes a gun 380?

.380 refers to the diameter of the bullet fired- and to the type of cartridge used by the gun.