Firearm Basics: Parts of a Cartridge

Published on April 13, 2020
Duration: 3:32

This video, from NRA Publications, breaks down the four fundamental components of a centerfire cartridge: the bullet, propellant, case, and primer. Understanding these parts is crucial for selecting the correct ammunition for any firearm. The instructor emphasizes the distinction between a 'bullet' and a 'cartridge' and briefly touches on the ignition systems of centerfire versus rimfire cartridges.

Quick Summary

A firearm cartridge is composed of four essential parts: the bullet (projectile), propellant (powder), case (holder), and primer (ignition). Understanding these components is vital for selecting the correct ammunition for your firearm.

Chapters

  1. 00:33Introduction to Cartridge Components
  2. 00:54Centerfire vs. Rimfire Ignition
  3. 01:26The Four Basic Cartridge Components
  4. 01:42Component 1: The Bullet
  5. 02:14Component 2: The Propellant
  6. 02:29Component 3: The Case
  7. 02:58Component 4: The Primer
  8. 03:14Summary of Cartridge Components

Frequently Asked Questions

What are the four main parts of a firearm cartridge?

A standard centerfire firearm cartridge consists of four primary components: the bullet (the projectile), the propellant (the powder that creates the explosion), the case (which holds everything together), and the primer (the ignition source).

What is the difference between a bullet and a cartridge?

The term 'bullet' refers specifically to the projectile component of a cartridge. A 'cartridge' is the complete, self-contained unit of ammunition, which includes the bullet, propellant, case, and primer.

How does a centerfire cartridge ignite?

In a centerfire cartridge, ignition occurs when the firearm's firing pin strikes the primer located in the center of the rear of the case. This impact ignites the primer, which in turn ignites the propellant.

Why is it important to know the parts of a cartridge?

Understanding the individual components of a cartridge and how they function is essential for selecting the correct type of ammunition for your specific firearm, ensuring safe and effective operation.

Related News

All News →

More Training & Techniques Videos You Might Like

More from NRApubs

View all →