Product Description The Zaffiri Precision Z Series Ported Slide is a precision-engineered, 100% American-made upgrade for the GLOCK 19 Gen 3 platform. Machined from billet 17-4 stainless steel with tight tolerances, this slide is built to deliver measurable gains in accuracy and overall performance compared to factory components. Finished in a durable black Cerakote coating, it features an RMR optic cut for direct red dot mounting, side-ported barrel compatibility to reduce muzzle rise, and blacked-out co-witness height sights for a clean, tactical profile. Each slide is manufactured at Zaffiri Precision&';s facility in Largo, FL, and ships with a complete upper parts kit for a straightforward, ready-to-install build. Product Highlights Machined from billet 17-4 stainless steel with tight tolerances for increased accuracy and reliability RMR optic cut enables direct mounting of Trijicon RMR and compatible red dot sights Side-ported barrel compatibility reduces muzzle rise for faster, more controlled follow-up shots Black Cerakote finish delivers outstanding corrosion and wear resistance for long-term durability Includes an upper parts kit and blacked-out co-witness height sights for a complete, drop-in package Specs Brand: Zaffiri Precision Model: Z Series Type: Slide Compatible Platform: GLOCK 19 Gen 3 Material: Billet 17-4 Stainless Steel Finish: Black Cerakote Optic Cut: RMR Barrel Compatibility: Side Ported Sights: Blacked Out Co-witness Height Sights Includes: Upper Parts Kit Country of Manufacture: USA (Largo, FL) MPN: CU-G19G3-ZP-RMR-BLK-SP-BN-BLNK UPC: 810220066652 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.