This video debunks the 'direct impingement' myth for AR systems, explaining they use an internal gas piston within the bolt carrier. It details how gas travels via a tube and key, acting on the carrier and bolt head to cycle the action. The explanation covers bolt unlocking, gas venting, and how bolt carrier mass regulates cycling speed, while also addressing fouling concerns.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.