Get to know the different handgun calibers
Knowing how ammunition works is essential for getting the most out of your firearm. Learn more about the standard measurements.
Ammunition is measured by the bullet's diameter. For example, a 9 mm bullet is approximately 9,01 mm and a 40 S&W bullett is 0.40 inches in diameter. Depending on the origin of its invention, ammunition is measured using millimeters or inches. 9 mm ammunition originates in Europe, whereas the 40 S&W caliber was invented in the United States.
There are different ammunition types available to deliver realistic training scenarios. The main manufacturers of Force-on-Force Training ammunition are Simunition®, Force-on-Force™ and UTM - Ultimate Training Munitions.