Author Archives: Richard A. Mann

Richard A. Mann

About Richard A. Mann

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.

Though ARs come in all shapes and sizes, there are primarily two distinct operating systems the platform employs, gas impingement and gas piston. To the untrained eye, they are almost indistinguishable.

6 Facts About AR-15 Gas Impingement Vs. Piston

Some say the gas impingement operating system is like a person who poops on the same table they eat from. But is that really fair? Here are Richard Mann's 6 factual observations in the AR-15 gas impingement vs. piston debate.

AR-15 Triggers

AR-15 Trigger Trouble

It’s no secret that Mil Spec AR triggers are terrible. They have everything a good trigger does not have, like take-up, creep, over-travel, and inconsistency.