Source: Dumb Little Man
A shell casing is a piece of ammunition that is made of metal. It is often brass, but it can be made of other metals as well.
Shell casings can be made from any kind of ammunition that is fired from a pistol, rifle or shotgun. It is not a bullet but it is a piece of the larger ammunition mechanism that is loaded into the chamber to be shot.
To understand the role of a shell casing, it is better to understand the way that a gun works and its purpose in firing.
How a Gun Works
A gun is an instrument to fire bullets, but much of the explosion actually comes from the bullet.
A bullet, on the other hand, is like a miniature firework that is rigged to explode. It comes in three pieces- the primer, the propellant, and the proper part of the bullet. These sections are housed inside a brass jacket called a shell casing.
The gun works by hammering a tiny pin into the end of…
The post What is a Shell Casing? appeared first on FeedBox.