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Zaffiri
The Zaffiri Precision ZPS.4 slide for Glock 17 Gen 3 is a precision-machined, optic-ready replacement slide built for shooters who want to upgrade their carry gun or competition rig with modern red dot capability. Machined from billet 17-4 stainless steel at Zaffiri's Florida facility, this slide combines tight tolerances with American manufacturing to deliver the accuracy and reliability you need when it counts. It's compatible with Glock 17 Gen 3 frames—and also works with earlier Gen 1 and Gen 2 models—giving you a straightforward path to a modern optics-ready platform without a full pistol swap.
The slide arrives pre-cut and pre-coated for the Trijicon RMR, SRO, Holosun 407C, 507C, and other RMR-footprint optics. The mounting position sits forward of the factory rear-sight dovetail, so your iron sights remain in place for co-witnessing. You get the proper mounting screws and a black anodized cover plate in the box, so you're ready to mount your optic right out of the gate. Zaffiri recommends blue Loctite for screw retention and stresses staying within the optic manufacturer's torque spec to protect your equipment.
Available in four Cerakote finishes—Armor Black, Magpul FDE, Sniper Grey, and Magpul OD Green—the ZPS.4 gives you options to match your build or threat profile. The slide is fully ported-compatible and pairs with Zaffiri's ZP ported barrels if you're chasing velocity or managing recoil. This is an unassembled component; no parts arrive installed, and assembly knowledge is expected. Note that this is an aftermarket part and is not manufactured, endorsed, or warranted by Glock.
| Brand | Zaffiri Precision |
| Model | ZPS.4 |
| Firearm Compatibility | Glock 17 Gen 3, Gen 2, Gen 1 |
| Material | Billet 17-4 Stainless Steel |
| Optics Cut | Trijicon RMR, SRO, Holosun 407C/507C, RMR-footprint optics |
| Finish Options | Armor Black, Magpul FDE, Sniper Grey, Magpul OD Green |
| Cover Plate | Black anodized (included) |
| Ported Compatibility | Yes (pairs with Zaffiri ZP ported barrels) |
| Includes | Mounting screws, black anodized cover plate |
| Country of Origin | USA (manufactured in Largo, FL) |
The ZPS.4 is designed for Glock 17 Gen 3 frames and is also compatible with earlier Gen 1 and Gen 2 Glock 17 models. If you own a Gen 3, Gen 2, or Gen 1 Glock 17, this slide will fit your frame.
The slide is pre-cut for optics using the RMR footprint, including Trijicon RMR, SRO, Holosun 407C, Holosun 507C, and other popular RMR-pattern red dots. The optics cut is positioned forward of the factory rear-sight dovetail.
Yes. The factory rear-sight dovetail remains behind the optic cut, allowing you to install and co-witness your iron sights with your red dot.
The slide includes the proper mounting screws for your optic and a black anodized cover plate. The slide arrives pre-cut and pre-coated with your chosen Cerakote finish. No other parts are included or assembled.
Zaffiri
The Zaffiri Precision ZPS.4 slide for Glock 17 Gen 3 is a precision-machined, optic-ready replacement slide built for shooters who want to upgrade their carry gun or competition rig with modern red dot capability. Machined from billet 17-4 stainless steel at Zaffiri's Florida facility, this slide combines tight tolerances with American manufacturing to deliver the accuracy and reliability you need when it counts. It's compatible with Glock 17 Gen 3 frames—and also works with earlier Gen 1 and Gen 2 models—giving you a straightforward path to a modern optics-ready platform without a full pistol swap.
The slide arrives pre-cut and pre-coated for the Trijicon RMR, SRO, Holosun 407C, 507C, and other RMR-footprint optics. The mounting position sits forward of the factory rear-sight dovetail, so your iron sights remain in place for co-witnessing. You get the proper mounting screws and a black anodized cover plate in the box, so you're ready to mount your optic right out of the gate. Zaffiri recommends blue Loctite for screw retention and stresses staying within the optic manufacturer's torque spec to protect your equipment.
Available in four Cerakote finishes—Armor Black, Magpul FDE, Sniper Grey, and Magpul OD Green—the ZPS.4 gives you options to match your build or threat profile. The slide is fully ported-compatible and pairs with Zaffiri's ZP ported barrels if you're chasing velocity or managing recoil. This is an unassembled component; no parts arrive installed, and assembly knowledge is expected. Note that this is an aftermarket part and is not manufactured, endorsed, or warranted by Glock.
| Brand | Zaffiri Precision |
| Model | ZPS.4 |
| Firearm Compatibility | Glock 17 Gen 3, Gen 2, Gen 1 |
| Material | Billet 17-4 Stainless Steel |
| Optics Cut | Trijicon RMR, SRO, Holosun 407C/507C, RMR-footprint optics |
| Finish Options | Armor Black, Magpul FDE, Sniper Grey, Magpul OD Green |
| Cover Plate | Black anodized (included) |
| Ported Compatibility | Yes (pairs with Zaffiri ZP ported barrels) |
| Includes | Mounting screws, black anodized cover plate |
| Country of Origin | USA (manufactured in Largo, FL) |
The ZPS.4 is designed for Glock 17 Gen 3 frames and is also compatible with earlier Gen 1 and Gen 2 Glock 17 models. If you own a Gen 3, Gen 2, or Gen 1 Glock 17, this slide will fit your frame.
The slide is pre-cut for optics using the RMR footprint, including Trijicon RMR, SRO, Holosun 407C, Holosun 507C, and other popular RMR-pattern red dots. The optics cut is positioned forward of the factory rear-sight dovetail.
Yes. The factory rear-sight dovetail remains behind the optic cut, allowing you to install and co-witness your iron sights with your red dot.
The slide includes the proper mounting screws for your optic and a black anodized cover plate. The slide arrives pre-cut and pre-coated with your chosen Cerakote finish. No other parts are included or assembled.
