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Typically, they're about even.. the bullet diameter .38 Special is larger by a negligible amount - .357, as opposed to .356 of the 9mm Parabellum.

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Q: What is the Bigger caliber 9mm or 38 caliper?
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What caliber is a 9mm?

9mm IS the caliber. If you mean what is it equivalent to, it is approximately the same as a .38.

Can you use 9mm ammunition with a 38 caliber revolver?


Can you use a 38 caliber gun cleaner on a 9mm?

Yes you can.

Can you shoot 9mm rounds from a 38 caliber revolver?

No, you cannot.

Are 1911 pistols only chambered in 45 caliber?

the are also chambered for the 38 caliber, 9mm caliber and 22 caliber

Is a 38 caliber bigger than a 40 caliber?


Can you distinguish between a bullet fired from a .38 caliber and one fired from a 9mm?


Does 38 caliber equal 9mm?

Close, but no. A .38 Special fires a .357 inch diameter bullet, 9mm Parabellum fires a slightly smaller bullet, but with more force. The .38 is a rimmed revolver cartridge, and the 9mm is a rimless automatic pistol cartridge.

What is the difference between a 380 caliber bullet and a 038 caliber bullet?

The 380 ACP, also known as the 9mm Short, 9x17, 9mm Browning, 9mm Kurz and 9mm Corto uses a .355 diameter bullet. The 38 special uses a .357 diameter bullet. Additionally, the 380 ACP is designed for a semi-automatic and the .38 special is designed for a revolver.

What is difference between 380 caliber and 38 caliber?

One would think that .380 ACP and .38 Special would be the same size--namely 38-hundredths of an inch. But there can be some flexibility in stated caliber and actual caliber. Long story short, .380 ACP is the same diameter as a 9mm, roughly .355 caliber. .38 Special is basically .357 caliber.

Are 380 caliber and 38 caliber the same?

You'd think they would be--right? Depending on the tolerances of a particular weapon, you might be able to use SIMILAR projectiles. A .380 caliber is actually has a .355 caliber projectile--so does a 9mm. The typical .38, as in 38 Special is .357 caliber. So, when all is said and done, .355 caliber is smaller than .357 caliber. No, they are not the same, but close.

What is the caliber of the 9mm?

About .36 caliber. The 9mm family of calibers normally uses a bullet that is .356 diameter. This is the same as the .380 and nearly the same as the .38 Special, whose "nominal" calibers are quite different from their actual bullet diameter when measured.