Down-Vent Bolt Carriers Are Just Better

In this video we discuss down vent bolt carrier groups for an AR15. These are made by KAK and Griffin Armament. The claims are that they reduce the noise and gas produced by the AR15 by directing it downward. We discuss these claims as well as the possible downsides and tradeoffs for these BCG. Downvent Testing: https://www.youtube.com/watch?v=tJ2tAhJR5k0 Science of suppressors: https://www.youtube.com/watch?v=mHkENrehxKw 0:00 Intro 0:07 Background 1:14 Benefits 1:31 Manufacturers 2:28 Gas reduction 3:18 Noise Reduction 5:28 Downsides 6:31 Conclusions