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Which is a bigger caliber a 40 or a 45?

Assuming the question is in regard to firearms and ammunition, you can read the "caliber" of a round as a decimal how wide the bullet is in inches. So a .40 caliber round is .4 inches wide, or about 10.16 millimeters wide. A .45 caliber round would be .45", so a little bit fatter than the .40 caliber round. The caliber doesn't tell the whole story of a round though, it doesn't say how long the bullet is, how heavy, how big the casing behind the round is, how much kinetic energy is hits with, etc. The .40 S&W round has an average of 425 ft/lbs of energy right at the muzzle, while the .45 ACP, a "bigger" round, has about 400 ft/lbs.


What is the difference between caliber and millimeter in ammunition?

They're both measurements of the diameter of the round (or the barrel). Caliber is a measurement in inches, and millimeters are millimeters. For instance, a .30 caliber bullet is 30 hundredths of an inch, or 7.62 millimeters in diameter.


What is the difference between a 40 caliber and 50 caliber bullet?

Size and relative power. A .40 caliber bullet is .40 of an inch and the entire cartridge is 28.8 millimeters long. A .50 caliber (handgun) bullet is .50 of an inch and the entire cartridge is 40.99 millimeters long. The .50 caliber has more powder, more velocity, and more muzzle energy.


Diameter of a 40 caliber round?

.4005 inches.


What is the maximum range of a 40 caliber round?

In excess of a mile.


What caliber is a AK-47 in millimeters?

The AK-47 assault rifle is chambered for the 7.62x39mm round, which is of the 7.62 millimeter caliber.


Can you use 9 mm caliber round for walther p99 40 sm?

No. 9mm and .40 are not interchangeable.


How many millimeters is 45 caliber?

A .45 caliber bullet typically measures 11.43 millimeters in diameter.


What is the difference between 40 caliber and 45 caliber?

.40 Smith & Wesson is a 10x22mm cartridge, whereas the .45 ACP would measure 11.65x23 in metric measurements. The .45 is a larger round, and also a much slower round.


What does caliber mean in relation to bullets?

Caliber means the diameter of the bullet. A .40 caliber cartridge has a bullet that is .40 inches in diameter. A 9mm cartridge has a bullet that is 9 millimeters in diameter. Yup...reminds me of Joe the Human Cannonball at the circus...Poor Joe died but they couldn't find a replacement of his caliber.


What distance can you get from a 40 caliber round?

It depends on several factors, but a good rule of thumb is "about a mile."


What is better 40 cal or 45 cal?

my opinion is the 45 ACP round has more knock down powder then the 40 caliber