Mach Sakai checks out the Crown CM4 Lightweight Keymod Compact AEG in this video review. Available mainly in Japan, this AEG has nylon fiber KeyMod handguard that helps in making the AEG lighter. Since it is made for the Japanese airsoft market it has a power of 0.72J on average with an initial muzzle velocity of 85m/s on average. It uses the ICS splitgearbox and the sights are built-in iron sights.