An AR-15’s gas port is a small hole drilled into the barrel, but its influence over rifle behavior is much…
An AR-15 does not need excessive recoil or violent cycling to function reliably. In fact, the most dependable rifles usually…
The AR-15 gas system is what makes the rifle self-loading. Without it, the rifle would function like a manual-action firearm,…
Choosing between a direct impingement (DI) system and a piston-driven AR isn’t just a technical preference—it directly affects reliability, maintenance,…
Dwell time is one of the least understood—but most influential—variables in how an AR-15 functions. It doesn’t refer to a…
Gas key staking is one of those details that looks minor until it fails. At a glance, it’s just a…