New release from Strike Industries designed for the 4th Gen Glock Pistols, the G4 SlideComp... "Strike Industries presents the industry’s first slide mounted compensator for Glock Gen4 pistols, with the SIG4 SlideComp. By mounting the compensator to the slide, the SI-G4-SCOMP requires no permanent modification to the host platform, and eliminates the need for a threaded barrel.