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.
Ammunition
What You Need To Know About Gravity And Bullet Trajectory
When it comes to bullet trajectory, flight time is what beats gravity.
Ammunition
The Truth About Barrel Length And Velocity
It's assumed barrel length and velocity walk hand in hand, but in reality, there are many other variables at play.
Ammunition
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.
Ammunition
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?
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.
Ammunition
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.
Ammunition
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.
Ammunition
.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?