How To Tune Your Rifle's Gas System

A lot of DI (Direct Impingement) AR-15 / M4 rifles are overgassed, and occasionally undergassed.  If your rifle is over / undergassed, this can create problems.  Both with respect to reliability, extra wear and tear on parts and possibly an unnecessarily strong recoil impulse.

In this video I will show you how to determine if your rifle is over or undergassed.  And if it is overgassed, I will show you some simple parts you can swap out in order to get it running the way it should.