Caliber


The internal diameter of a firearm’s barrel or the bullet’s diameter (e.g., .223, .308).

Related Terms

Centerfire Ammunition

Ammo with a primer located in the center of the cartridge base, used in most rifles and handguns.

Read More
Magnum Load

A more powerful ammunition load with extra powder, yielding higher velocities and energy for larg...

Read More
Foot-Pounds of Energy (FPE)

A measurement of a bullet’s kinetic energy at impact, indicating stopping power for hunting.

Read More
Cartridge

A self-contained unit of ammunition with primer, propellant, bullet/shot, and casing.

Read More
Muzzle Velocity

The speed of a projectile as it exits the barrel, measured in feet per second (fps); higher veloc...

Read More
Muzzle Energy

The kinetic energy of a projectile at the instant it leaves the barrel; higher muzzle energy ofte...

Read More
Handgun

A short-barreled firearm (pistol or revolver) designed for one-handed operation; often requires s...

Read More
Barrel

The metal tube through which a projectile travels when a firearm is fired; length and rifling aff...

Read More
Hollow Point

A bullet design featuring a cavity in the tip for controlled expansion, increasing its effectiven...

Read More
Sectional Density

The ratio of a bullet’s weight to its cross-sectional area; higher sectional density often transl...

Read More
Brush Gun

A short, large-caliber rifle designed for quick handling and performance in thick cover.

Read More
Cartridge Components

The parts of a cartridge: primer, propellant (powder), projectile (bullet), and casing.

Read More
Ammunition

Cartridges or shells containing primer, powder, projectile, and casing.

Read More

Related Articles

The 2023 Hunting Season Is Upon Us

Read More 

The importance of Hunter Education

Read More 

Pheasant Hunting Safety: A Guide to Shooting Safe

Read More 

New for 2023: Interactive Video

Read More 

The Role of Technology in Modern Hunting

Read More 

Becoming a Steward of the Land: The Hunter's Responsibility to Conservation

Read More