Zaffiri Precision Z Series Ported Glock 19 Gen 3 Complete Pistol Slide Nitride Black/Black G19G3-ZP-RMR-BLK-SP-BN. Each assembly is built around a billet stainless steel slide and paired with a precision-fit side ported barrel and internal components for a ready-to-install system. This configuration is designed to align with side ported barrel setups creating a cohesive ported system while maintaining a streamlined profile. 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 Z Series Ported Glock 19 Gen 3 Complete Pistol Slide: Manufacturer: Zaffiri Precision Gun Make: Glock Gun Model: Glock 19 Gen 3 Optic Cut: RMR Cut Fabric/Material: Stainless Steel Gun Type: Pistol Features of Zaffiri Precision Z Series Ported Glock 19 Gen 3 Complete Pistol Slide Fully assembled slide ready for installation Includes precision-fit side ported barrel Designed for use with side ported barrel configurations 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 Port alignment is designed specifically for side ported barrel configurations Package Contents: Zaffiri Precision Z Series Ported Glock 19 Gen 3 Complete Pistol Slide Cover Plate Optic Screws What firearm models does the manufacturer say Zaffiri Precision Z Series Ported Glock 19 Gen 3 Complete Pistol Slide is compatible with? The manufacturer says that Zaffiri Precision Z Series Ported Glock 19 Gen 3 Complete Pistol Slide is compatible with Glock 19 Gen 3Zaffiri Precision G19G3-ZP-RMR-BLK-SP-BN: Z Series Ported Glock 19 Gen 3 Complete Pistol Slide Nitride Black/Black