As the gunpowder ignites it creates gas which propels a projectile down the barrel.Īs the gas travels down the barrel it reaches a gas port which is part of a gas block. You aim, pull the trigger, and the gun fires. AR-15 firing cycleįirst, you manually load a round. I think a firm understanding of how the gun runs is a must have to understand the rest of the article fully. Let’s break it down on how the AR-15 functions really quick. Specifically, it’s a direct impingement gun. Speaking gas systems, if you didn’t know the AR-15 is a gas-powered gun.
Yay, education! Understanding the AR’s Gas System(s) You’ll learn a lot about your rifle, and how a gas system works. Finally, tuning your gun can both be fun, and interesting to do.
