Centerfire Ammunition

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

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

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

Ammo where the primer is inside the rim of the cartridge (e.g., .22 LR); commonly used for small ...