![](https://www.forgottenweapons.com/wp-content/uploads/2019/05/how-work-ar-thumb-678x381.png)
How Does it Work: Stoner’s AR System
Eugene Stoner’s AR-10 and AR-15 use an operating mechanism that is often called “gas impingement,” but which is actually a cleverly structured gas piston located within the bolt carrier. Gas is tapped form the barrel […]