Richard A. Mann

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A former police officer and serviceman with the U.S. Army, Richard A. Mann is one of the most well-respected firearms authorities writing on the subject today. He serves as contributing editor for several magazines, including NRA’s American Rifleman and Shooting Illustrated, Varmint Hunter, and Combat Handgunner, and is the editor for Gun Digest’s Cartridges of the World 13th Edition.

Are Ballistic Gel Penetration Tests Gospel?

Penetration tests in ballistic gel, particularly in the FBI protocol, are good indicators of a bullet's terminal potential. But they're not the final word.

Testing The Effects Of Moisture On Ammunition

There's truth in the adage "Keep your powder dry," especially in the days of frizzen pans and blackpowder. But in the age of metallic cartridge, what is the effect of moisture on ammunition?

What You Need To Know About Handgun Stopping Power

Stopping power is an elusive subject, but well worth consideration when trying to find the most effective self-defense handgun and ammo.

Bullet Expansion: Velocity Is The Deciding Factor

Bullet expansion is a tricky subject. You might think the lead-core variety mushrooms more quickly than a solid-copper one, but it's not the case.

Is Sectional Density A Good Measure Of A Bullet's Penetration Potential?

Despite common wisdom, there are some major nuances to the idea sectional density predicts how deep a bullet penetrates.

.45 ACP vs 9mm: Which Is Better?

The more than century-old debate of .45ACP vs 9mm rages on. But in the end does one cartridge really outperform the other?

Enhancing Your Defensive Pistol With DXT2 Big Dot Night Sights

There's no missing the XS Sights DXT2 Big Dot Night Sights, which is a good thing when it comes to fast target acquisition.

Bullet Weight: Is Bigger Really Better?

At one time, bullet weight held great significance in terminal performance. But modern materials and designs have changed this dramatically.