Barrel not included. There is a gap on top of the rail for a gas block or sights. You may install a KX3, KFH, or a decoration Silencer Tube also from MadBull Airsoft.
Constructed by aluminum, 14 mm Counter-clockwise, you can fit it on most of your AEG, including all ECHO1, Classic Army, JG, TM and more.
You can turn up the sound by adjusting the internal tube. Also, by our special design, you can hear the special "Metal-punching" noise when shooting!
