What size is a 9mm round?

What size is a 9mm round?

The 9mm has a bullet diameter of 9.01mm (0.355 in), a neck diameter of 9.65mm, a base diameter of 9.93 mm, a rim diameter of 9.96mm and a rim thickness of 0.90 mm. The . 45 has a bullet diameter of 11.5 mm (. 452 in), a neck diameter of 12.0mm, a base diameter of 12.1 mm, and a rim diameter of 12.2 mm.

How is 9mm measured?

Ammunition is measured by the bullet’s diameter, which is known as “caliber”. The caliber can be measured in both inches and millimeters (mm). Depending on where it was invented, ammunition is measured in millimeters or inches. 9mm ammunition originates in Europe, whereas the .

Is 9mm a radius or diameter?

Yes, the 9mm bullet is really 9mm in diameter. Anytime a caliber is expressed in mm (i.e. 7.62mm), that is the diameter of the bullet. Same goes for imperial (inch) calibers.

Is a 9mm a 35 caliber?

At any rate, the three cartridges all use bullets that are about the same diameter, so you could call the 9mm a . 35 caliber, or you could call it a . 357 or a .

Is 9mm more powerful than .38 Special?

Standard pressure . 38 Special only produces 264 foot-pounds of force (147-grain bullet at 900 feet per second out of a 4-inch barrel), while standard pressure 9mm can produce 365 foot-pounds of force (124-grain bullet at 1,150 feet per second). This is 38.25% more energy at the muzzle in favor of the 9mm.

How are bullets measured in mm?

There are 10 millimeters (mm) in 1 centimeter (cm) and 2.54 centimeters in 1 inch (in). Therefore, multiply a bullet or bore caliber given in inches by 25.4 in order to convert it to millimeters. The opposite is also true: divide a given caliber expressed in millimeters by 25.4 in order to convert it to inches.

Are calibers inches?

It is measured in inches or in millimeters. In the United States it is expressed in hundredths of an inch; in the United Kingdom in thousandths; in Europe and elsewhere in millimeters. For example, a “45 caliber” firearm has a barrel diameter of roughly 0.45 inches (11 mm).

Is a 9mm bullet exactly 9mm?

9mm Ammo Types Explained When people talk about 9mm’s, they’re overwhelmingly referring to 9mm Luger ammo, not necessarily the famous WWII German semi-automatic 9mm Luger pistol. The name comes from Georg Luger, the Austrian who designed both. When it comes to 9mm Parabellum vs 9mm Luger, it’s exactly the same thing.

How wide is 9 mm?

3/8 Inch

MM	Approximate Size In Inches	Exact Size In Inches
9mm	Just short of 3/8 Inch	0.35433 Inches
10mm	Little over 3/8 Inch	0.39370 Inches
11mm	7/16 Inch	0.43307 Inches
12mm	Just short of 1/2 Inch	0.47244 Inches

Can you use 38 ammo in a 9mm?

Generally not recommended, as . 38 special is . 357″ and 9mm is . 355″ in diameter.