The Zaffiri Precision IBS Complete Slide features an innovative Integrated Blowhole System that combines their proven ZPS.1 slide design with an integrated compensator for superior gas management and reduced muzzle rise.Zaffiri Precision IBS Complete Slide for GLOCK 19 Gen 3Integrated Blowhole System (IBS) compensator designMachined from billet 17-4 stainless steel constructionRMR optic cut ready for red dot sightsBlack and gold Cerakote finishDrop-in replacement for GLOCK 19 Gen 3 pistolsPerfect for competitive shooting tactical applications or upgrading your GLOCK 19 Gen 3 with enhanced performance and optics-ready capability while maintaining reliable function.