The Zaffiri Precision ZPS.3 Complete Slide is engineered for the GLOCK 43X with precision machining from 17-4 stainless steel billet and a durable black Cerakote finish. Features an RMR optic cut for red dot sight compatibility.ZPS.3 Complete Slide for GLOCK 43XMachined from billet 17-4 stainless steel constructionRMR optic cut for red dot sight mountingBlack Cerakote finish for durability and corrosion resistanceTight tolerances for enhanced accuracy and performance100% American made in Largo FloridaDesigned for shooters seeking improved accuracy and optics compatibility this slide delivers reliable performance with precision manufacturing quality for concealed carry and competitive shooting applications.