The Zaffiri Precision ZPS.3 slide for Glock 19 Gen 3 in OD Green is a precision-machined upgrade for shooters ready to run a modern red dot sight on their carry or duty gun. Zaffiri machines these slides from billet 17-4 stainless steel at their Florida facility, holding tolerances tight enough to improve accuracy and reliability over factory components. The ZPS.3 arrives pre-cut and pre-coated in your choice of colors—OD Green included—with the optics mounting work already done. This is a complete, finished slide: no gunsmithing required, no trips to a machine shop.

The optic cut is designed for RMR-footprint red dots: Trijicon RMR and SRO, Holosun 407c and 507c, and other popular pistol optics that share that mounting pattern. The cut is positioned forward of the factory rear dovetail, so your iron sights remain usable as a backup. Zaffiri includes the mounting screws and a black anodized cover plate; you'll just need to install your optic, apply a touch of Blue Loctite to the screws, and respect the optic manufacturer's torque specs.

The ZPS.3 is designed to lock up tight on Glock 19 Gen 3 frames and will also work with Gen 1 and Gen 2 models, as well as compatible aftermarket frames like the P80 PFC9 and PSA Dagger. Important note: this slide is not ported and is not compatible with ported barrels—Zaffiri's ported barrel lineup pairs with their ZPS.P and ZPS.4 slides instead. Slide assembly is not included; you'll reuse your lower receiver, trigger group, and barrel. All work is American-made from start to finish.

The Zaffiri Precision ZPS.3 slide for Glock 19 Gen 3 in OD Green is a precision-machined upgrade for shooters ready to run a modern red dot sight on their carry or duty gun. Zaffiri machines these slides from billet 17-4 stainless steel at their Florida facility, holding tolerances tight enough to improve accuracy and reliability over factory components. The ZPS.3 arrives pre-cut and pre-coated in your choice of colors—OD Green included—with the optics mounting work already done. This is a complete, finished slide: no gunsmithing required, no trips to a machine shop.

The optic cut is designed for RMR-footprint red dots: Trijicon RMR and SRO, Holosun 407c and 507c, and other popular pistol optics that share that mounting pattern. The cut is positioned forward of the factory rear dovetail, so your iron sights remain usable as a backup. Zaffiri includes the mounting screws and a black anodized cover plate; you'll just need to install your optic, apply a touch of Blue Loctite to the screws, and respect the optic manufacturer's torque specs.

The ZPS.3 is designed to lock up tight on Glock 19 Gen 3 frames and will also work with Gen 1 and Gen 2 models, as well as compatible aftermarket frames like the P80 PFC9 and PSA Dagger. Important note: this slide is not ported and is not compatible with ported barrels—Zaffiri's ported barrel lineup pairs with their ZPS.P and ZPS.4 slides instead. Slide assembly is not included; you'll reuse your lower receiver, trigger group, and barrel. All work is American-made from start to finish.