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The .40 caliber bullet is a little larger in diameter and is a little heavier (under most circumstances). The .40 will usually have more powder, velocity, and muzzle energy. Also, the .40 is designed for use in a semi-automatic and the .38 is a revolver cartridge.

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Q: What is the difference between a 38 caliber and 40 caliber bullet?
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Related questions

What caliber is a 38?

caliber 38 is a caliber 38. bullet dia. is .357 caliber deals with the dia. or measurement around the bullet head, not the bullet case.


What is the difference between a 38 caliber pistol and a 22 caliber pistol?

The 22 is a very small bullet and the 38 is about 4 times larger. The pistols however may be about the same size but will be chambered accordingly.


Is 38 caliber bullet the diameter?

Close. a .38 caliber is usually closer to .357 caliber.


Can a .38 fit a 30-30 rifle?

No. The bullet is too big. A 30-30 is a .30 caliber bullet. a .38 bullet is .357 caliber


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 size bullet does a 38 caliber?

38 is the size. This answer is actually correct, but more specifically, .38 special (and many of the other .38 caliber cartridges) are actually .357. The caliber ".38" was chosen to distinguish between .357 magnum and .38 special.


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

Yes


Difference between 32 and 38 colt police positive?

32 caliber is a little smaller then the 38 caliber


What is difference between a 38 caliber bullet and a 45 bullet?

Caliber refers to the diameter of a bullet. A bullet for a .38 Special is actually .357 inches across, and for a .45 auto, about .451 inches. The 45 bullet will be wider, and usually heavier. Please note that this is only the BULLET, which is the projectile. The CARTRIDGE (case, primer, powder, bullet) of the two are different size, shape, design and weight. There also is the .45 Colt bullet (often referred to as a .45 Long Colt). This is about the same diameter as the .45 auto but has a longer cartridge than the .45 auto or 38 Special.


Can you put a 38 caliber bullet in a 357 caliber revolver?

.38 Special, yes. Other .38 cartridges (such as the .38 Long Colt or .38 Super), no.


What is the difference between a 380 and a 38?

Bullet diameter on a 38 is .357; on a 380 it is .355 Case is longer on a 38.


Can an automatic fire a .38 caliber or .357 caliber bullet?

Depending on what it is chamberd for, yes.