Zaffiri Precision ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide Nitride Black/Black G17G3-ZPS3-RMR-BLK-TP-BN. 3 platform are designed around a dedicated top ported configuration offering a clean integrated setup for shooters who prefer a ported system. Each assembly is built around a billet stainless steel slide and paired with a precision-fit top ported barrel and internal components for a ready-to-install solution. The ZPS.3 platform is engineered to align with top ported barrel configurations creating a cohesive system designed around this setup. All Zaffiri Precision complete slides are optics-ready and include a cover plate and mounting screws. Each assembly is equipped with blacked out iron sights that provide a lower 1/3 co-witness with RMR Holosun 507C and similar height optics. Specifications for Zaffiri Precision ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide: Manufacturer: Zaffiri Precision Gun Make: Glock Gun Model: Glock 17 Gen 3 Optic Cut: RMR Cut Fabric/Material: Stainless Steel Gun Type: Pistol Features of Zaffiri Precision ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide Fully assembled slide ready for installation Includes precision-fit top ported barrel Includes complete upper parts kit (UPK) Includes backplate and recoil assembly Includes blacked out front and rear sights Lower 1/3 co-witness with RMR Holosun 507C and similar height optics Optics-ready design Compatible with OEM and aftermarket Glock frames Designed specifically for top ported barrel configurations Package Contents: Zaffiri Precision ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide Cover Plate Optic Screws What firearm models does the manufacturer say Zaffiri Precision ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide is compatible with? The manufacturer suggests that Zaffiri Precision ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide is compatible with Glock 17 Gen 3Zaffiri Precision G17G3-ZPS3-RMR-BLK-TP-BN: ZPS3 Ported Glock 17 Gen 3 Complete Pistol Slide Nitride Black/Black