AR-15 | Firearms | Terminology
AR-15 Direct Impingement vs Piston Gas Systems: What’s the Difference?
The evolution of rifle technology has been marked by significant milestones, one of which was the widespread adoption of piston-driven gas operating systems in military small arms. For decades, these systems, which channel a small portion of the gunpowder’s explosive force to cycle the weapon’s action, were the standard. They came in two primary variations:…