Is a 9mm or 45 louder?

Decibel scale is exponential. 9mm comes in at 159.8 dB and 45 acp at 157 dB for a difference of 2.9 dB. Well every 3 dB is a factor of 2 in sound energy, so there really is a difference and 9mm is significantly louder.

Will 45 ACP shoot 45 Auto?

The specifications for the cartridge are standardized by the Sporting Arms and Ammunition Manufacturers’ Institute, or SAAMI. No matter who manufacturers the cartridge, if the headstamp identifies it as either . 45 ACP or . 45 Auto, they will be interchangeable.

What is the average caliber of a rifle bullet?

This rule largely converts back and forth with such general examples as 5.56mm/.223-caliber, 6.35mm/.25-caliber, 7.62mm/.30-caliber, 11.43mm/.45-caliber, and so forth. Added to this in metric cartridges is typically the length of the cartridge’s case. For instance, an 11.43x23mm round has an 11.43mm (.45-caliber) bullet on a case that is 23mm long.

How are metric cartridges defined by Caliber?

Added to this in metric cartridges is typically the length of the cartridge’s case. For instance, an 11.43x23mm round has an 11.43mm (.45-caliber) bullet on a case that is 23mm long. On this side of the pond, rather than specify the bullet diameter and the length of the case, we typically just label a cartridge by caliber and who invented it.

What is the maximum rise of a bullet?

maximum bullet rise of 1.5 inches is appropriate for shooting small animals, as they present a small target, particularly if head shots are necessary. Allowing a greater mid-range trajectory might result in shooting over an animal at an intermediate distance.

What is the bore size of a 45 caliber pistol?

For pistols, revolvers, and rifles made in areas that have long been on the metric system, the bore will be in millimeters. This rule largely converts back and forth with such general examples as 5.56mm/.223-caliber, 6.35mm/.25-caliber, 7.62mm/.30-caliber, 11.43mm/.45-caliber, and so forth.

https://www.youtube.com/watch?v=JGZe6q5oXU4