The Zaffiri Precision ZPS.2 Complete Slide is precision-machined from 17-4 stainless steel billet with tight tolerances for enhanced accuracy and performance on your Glock 19 Gen5.ZPS.2 Complete Slide for Glock 19 Gen5Machined from billet 17-4 stainless steel constructionRMR optic cut for red dot sight compatibilityCerakote finish for durability and corrosion resistance100% American made in Largo FLPrecision tolerances for improved accuracyDesigned and manufactured to exacting standards this complete slide assembly delivers professional-grade performance for competitive shooting duty use or personal defense applications.