The QDC Airsoft Dummy suppressor is unique because of its quick detach mechanism. The thread of the flash hider has been modified to ONLY fit the airsoft version. This QDC 3-prong Flash Hide was designed compatible with QDC Suppressor. There are 14mm CCW and CW can be choose based on personal preference Package include- KAA 3 Prong QDC Comp X1 Features (Selling Point)- Unique 3 prongs design with QD ready function- Compatible to KAA QDC Airsoft mock suppressor series by MadBull.- Designed for Airsoft use only with 14mm CCW or CW threads