Chairman Lao does a quick review of the ACM-made GL-Shock Style Recoil-Reducing M4/AR-15 Stock which is based on the Fab Defense Design and they find it a good product for its price of US$34.99 at Airsoft Club... "My friend Jimmy here bought this off of me a year ago and since put in multiple games through it. I also used it alot, so in this quick review video we go over it and give our thoughts."