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Bullet diameter of a 9mm is .355; for a 38 it is .357. 38 case is longer. Additionally, a 9mm is designed to be used in a semi-automatic pistol, and a .38 is designed to be used in a revolver, although, there are a couple of revolvers that will chamber 9mm.

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Q: What is the difference between a 9mm round and a .38?
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Will the 38 special cast bullets work in the 9mm luger?

DO NOT ATTMEPT THIS!!!! There is a difference of .002 between the diameter of the projectiles.


Difference between 38 and 9mm pistols regarding fire and efficiency?

None really. Proper shot placment is the key.


What is the difference from 38 cal to 380 cal?

the 380 is a 9mm short


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.


Difference between a 38 revolver and a 38 special?

It depends on what you mean. A .38 revolver may be a .38 special, but there are other types of .38 besides just the special round.


What is the size difference in bullet in the 9mm and 38 special?

There are SEVERAL 9mm cartridges- the most common is probably the 9mm Parabellum (9mm Luger). A 9mm Parabellum BULLET (not cartridge) is typically slightly smaller than a .38 Special bullet- .356 instead of .357. The 9mm is frequently (not always) lighter- and shorter. Other 9mm cartridges (such as the 9mm Makarov) will have different bullets.


What is difference between a 38 caliber bullet and a 9mm bullet?

Not muchThe diameter of a .38 special bullet is 0.358 inch, which is 9.09 mm. ALOT. the diameter isn't the only thing to consider. although the calibers are close the 9mm and 38 special are no where near each other. a 9mm is usually 9 x 19mm and is 115-124 grains and a 38 special is approx. 9.07 x 39mm near 160 grains and obviously packs more of a punch. fire a 9mm and then a 38 special and it will make sense.


Can you shoot any 9mm round out of a 9mm?

No. There several different case lengths that accept a 9mm bullet. 9mm Kurz is not the same as 9mm Luger, which in turn is not the sameas 38 super, 9x21, 9x20, etc. The diameter is the same, but the cartridges are different sizes.


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

Yes


Can you shoot 9mm bullet in a 38 super pistol?

no, although the diameter of the bullet is about the same .356 for 9mm and 357/358 for the 38 cal. that metal cases will not interchange with other guns. i.e., the 9mm case does not feed in a 38 nor will a 38 feed in a 9mm..................


Compare 38 special round to 38 p?

If you mean +P, the difference is velocity.


What does a 9mm 38 super pistol costs?

9mm 100-300 or so 38 Super 100-500 or so