Caliber Size Chart

The Caliber Size Chart provides information on the diameter, commonly used for purposes, of various calibers including .22 LR, .223 Remington, .308 Winchester, .30-06 Springfield, .45 ACP, 9mm Luger, .357 Magnum, and .50 BMG.
Caliber Diameter (inches) Diameter (mm) Commonly Used For
.22 LR 0.223 5.7 Small game hunting, target shooting
.223 Remington 0.224 5.56 Varmint hunting, sport shooting, military use
.308 Winchester 0.308 7.82 Hunting, target shooting, military and police use
.30-06 Springfield 0.308 7.82 Big game hunting, military use, target shooting
.45 ACP 0.452 11.5 Self-defense, military, law enforcement
9mm Luger 0.355 9.01 Self-defense, military, law enforcement
.357 Magnum 0.357 9.07 Self-defense, hunting, target shooting
.50 BMG 0.510 12.95 Long-range target shooting, military use

The Caliber Size Chart provides information about the different calibers used in firearms, including their diameter measurements in both inches and millimeters. The chart also highlights the common uses for each caliber, such as hunting, target shooting, self-defense, military, and law enforcement. This comprehensive chart serves as a helpful reference for individuals interested in understanding the specifications and applications of various firearm calibers.


What is a caliber size chart?

A caliber size chart is a reference guide that lists the various sizes of ammunition cartridges or firearm barrels.

How is caliber measured in a size chart?

Caliber is typically measured in hundredths or thousandths of an inch, with larger numbers indicating larger diameter bullet or barrel sizes.

Why is it important to consult a caliber size chart?

Consulting a caliber size chart is crucial for ensuring the proper fit of ammunition to a firearm, as using the wrong size can result in dangerous malfunctions or inaccuracies.

What are some common caliber sizes found in a typical size chart?

Common caliber sizes include .22 LR, .223 Remington, 9mm, .45 ACP, .308 Winchester, .30-06 Springfield, and .50 BMG, among others.

Can a caliber size chart be used for all types of firearms?

While a caliber size chart provides useful information for many firearms, it is important to note that some niche or specialized firearms may not adhere to traditional or widely-known caliber sizes. In such cases, it is best to consult specific manufacturer guidelines or seek expert advice.

How we write our statistic reports:

We have not conducted any studies ourselves. Our article provides a summary of all the statistics and studies available at the time of writing. We are solely presenting a summary, not expressing our own opinion. We have collected all statistics within our internal database. In some cases, we use Artificial Intelligence for formulating the statistics. The articles are updated regularly.

See our Editorial Process.

... Before You Leave, Catch This! 🔥

Your next business insight is just a subscription away. Our newsletter The Week in Data delivers the freshest statistics and trends directly to you. Stay informed, stay ahead—subscribe now.

Sign up for our newsletter and become the navigator of tomorrow's trends. Equip your strategy with unparalleled insights!