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Zaffiri
The Zaffiri Precision ZPS.3 slide for Glock 19 Gen 3 is a precision-engineered, optic-ready replacement slide built for shooters who want tighter tolerances, improved accuracy, and the flexibility to mount a modern red dot sight. Machined from a single billet of 17-4 stainless steel and finished in Magpul FDE Cerakote, this slide combines rugged durability with a refined aesthetic. Whether you're upgrading a Gen 3 frame or building a custom 9mm pistol, the ZPS.3 delivers the quality and capability you'd expect from an American-made component.
The slide arrives pre-cut for RMR-footprint optics—including Trijicon RMR, SRO, Holosun 407c, and 507c—with the optic mounting positioned in front of the factory rear sight dovetail. This layout preserves your backup iron sight capability while giving you a clean, modern sight picture with a quality red dot. The slide includes black anodized mounting screws and a cover plate, so you're ready to install your optic right out of the box. Zaffiri's tight tolerances and American manufacturing (Largo, Florida) mean you're getting a slide that cycles reliably and groups predictably—no guesswork.
Note that this ZPS.3 is not ported and therefore incompatible with ported barrels; if you're running a compensator, you'll need their ZPS.P or ZPS.4 models instead. The slide is fully compatible with Glock 19 Gen 3 frames, as well as Gen 1 and Gen 2, and works with popular aftermarket frames like the P80 PFC9 and PSA Dagger, making it a versatile choice for builders and upgrades alike.
| Manufacturer | Zaffiri Precision |
| Model | ZPS.3 |
| Caliber / Firearm | 9mm / Glock 19 Gen 3 |
| Material | 17-4 Stainless Steel (billet) |
| Finish | Magpul FDE Cerakote |
| Optic Cut Compatibility | Trijicon RMR / SRO, Holosun 407c / 507c, and other RMR-footprint optics |
| Frame Compatibility | Glock 19 Gen 3, Gen 2, Gen 1; P80 PFC9, PSA Dagger, SCT 19 |
| Ported Barrel Compatible | No |
| Included | Mounting screws, black anodized cover plate |
| Country of Origin | USA (Largo, Florida) |
Yes. The ZPS.3 is designed for the Glock 19 Gen 3 frame and is also compatible with Gen 2 and Gen 1 models. It also fits popular aftermarket frames such as the P80 PFC9, PSA Dagger, and SCT 19.
The ZPS.3 is pre-cut for RMR-footprint optics, including the Trijicon RMR, Trijicon SRO, Holosun 407c, and Holosun 507c. The optic mounts in front of the factory rear sight dovetail, allowing you to retain backup iron sights.
No. The ZPS.3 is not ported and is not compatible with ported barrels. If you plan to run a compensator or ported barrel, you'll need the ZPS.P or ZPS.4 slide instead.
The slide comes pre-cut and pre-coated. Included are the mounting screws for your optic and a black anodized cover plate. You will need to source your own optic, barrel, frame, and other components to complete the pistol.
Zaffiri
The Zaffiri Precision ZPS.3 slide for Glock 19 Gen 3 is a precision-engineered, optic-ready replacement slide built for shooters who want tighter tolerances, improved accuracy, and the flexibility to mount a modern red dot sight. Machined from a single billet of 17-4 stainless steel and finished in Magpul FDE Cerakote, this slide combines rugged durability with a refined aesthetic. Whether you're upgrading a Gen 3 frame or building a custom 9mm pistol, the ZPS.3 delivers the quality and capability you'd expect from an American-made component.
The slide arrives pre-cut for RMR-footprint optics—including Trijicon RMR, SRO, Holosun 407c, and 507c—with the optic mounting positioned in front of the factory rear sight dovetail. This layout preserves your backup iron sight capability while giving you a clean, modern sight picture with a quality red dot. The slide includes black anodized mounting screws and a cover plate, so you're ready to install your optic right out of the box. Zaffiri's tight tolerances and American manufacturing (Largo, Florida) mean you're getting a slide that cycles reliably and groups predictably—no guesswork.
Note that this ZPS.3 is not ported and therefore incompatible with ported barrels; if you're running a compensator, you'll need their ZPS.P or ZPS.4 models instead. The slide is fully compatible with Glock 19 Gen 3 frames, as well as Gen 1 and Gen 2, and works with popular aftermarket frames like the P80 PFC9 and PSA Dagger, making it a versatile choice for builders and upgrades alike.
| Manufacturer | Zaffiri Precision |
| Model | ZPS.3 |
| Caliber / Firearm | 9mm / Glock 19 Gen 3 |
| Material | 17-4 Stainless Steel (billet) |
| Finish | Magpul FDE Cerakote |
| Optic Cut Compatibility | Trijicon RMR / SRO, Holosun 407c / 507c, and other RMR-footprint optics |
| Frame Compatibility | Glock 19 Gen 3, Gen 2, Gen 1; P80 PFC9, PSA Dagger, SCT 19 |
| Ported Barrel Compatible | No |
| Included | Mounting screws, black anodized cover plate |
| Country of Origin | USA (Largo, Florida) |
Yes. The ZPS.3 is designed for the Glock 19 Gen 3 frame and is also compatible with Gen 2 and Gen 1 models. It also fits popular aftermarket frames such as the P80 PFC9, PSA Dagger, and SCT 19.
The ZPS.3 is pre-cut for RMR-footprint optics, including the Trijicon RMR, Trijicon SRO, Holosun 407c, and Holosun 507c. The optic mounts in front of the factory rear sight dovetail, allowing you to retain backup iron sights.
No. The ZPS.3 is not ported and is not compatible with ported barrels. If you plan to run a compensator or ported barrel, you'll need the ZPS.P or ZPS.4 slide instead.
The slide comes pre-cut and pre-coated. Included are the mounting screws for your optic and a black anodized cover plate. You will need to source your own optic, barrel, frame, and other components to complete the pistol.
