Firearm Basics | Center-fire vs. Rimfire Ammunition

Watch this video to the difference between center-fire and rimfire cartridges, and how they function.

posted on April 11, 2020
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **

Most modern firearm cartridges use one of two types of ignition, or priming, systems: center-fire or rimfire. In this video we explain the difference between each system and how they function.

Latest

Deering Flyways Pacific Flyway
Deering Flyways Pacific Flyway

What’s Up With Flyways?

If you’re not a waterfowl hunter, you might not be familiar with the concept of flyways. What are they, and what are the differences between the different flyways?

The Armed Citizen® Reload April 17, 2026

It's reality TV at its best: A brave hotel clerk is captured on video as she thwarts an armed robbery—and potentially worse—with her own handgun.

From Hawaii To Houston: Finding Fab Female NRA Firearm Training on the Mainland

Frustrated in their search for next-level instruction on the Big Island, two women journey 3,800 miles to Texas for the gold standard in training.

3 Hunting Tips from an Old Game Warden

For a fun, safe and successful hunt, it's best to follow sage advice from the most experienced.

New Guns 2026: Smith & Wesson Bodyguard 38 2.0 Revolver

This enhanced small-frame revolver is intended for personal protection in a compact, lightweight platform.

How to Avoid Panic-Buying Ammo

When is the best time to buy ammo? Right now. 

Women's Interests



Get the best of NRA Women delivered to your inbox.