Zaffiri Precision Threaded Barrel for G17 Gen 5 | Black
The Zaffiri Precision Threaded Barrel for G17 Gen 5 is a purpose-built upgrade for full-size Gen 5 pistols that need dependable barrel fitment and the ability to accept compatible muzzle devices. Its extended threaded profile adds compensator and suppressor capability while preserving the familiar lockup geometry and operating characteristics of the Glock 17 Gen 5 platform.
Machined from 416R stainless steel at Zaffiri Precision’s Largo, Florida facility, the barrel is designed around consistent engagement with compatible OEM and aftermarket components. Precision-cut chamber, hood, feed-ramp, and locking surfaces support reliable cycling and repeatable barrel positioning as the pistol returns to battery.
The Black Nitride treatment gives the barrel a durable, low-reflection surface suited to hard-use and understated custom builds. It blends naturally with black slides for a uniform appearance while also providing a restrained contrast beneath FDE, gray, OD green, and other Cerakote finishes. The dark treatment offers added resistance to corrosion and surface wear from repeated cycling and routine maintenance.
An extended muzzle places the threads beyond the front of a compatible slide, providing the clearance required for common 1/2 x 28 TPI compensators and suppressor mounting systems. This allows a Gen 5 build to be configured around recoil management, suppressed use, or standard operation with a thread protector without requiring a dedicated ported slide assembly.
Conventional rifling supports a wide range of commonly used ammunition types, adding flexibility for training, competition, and general-purpose use. The drop-in design also simplifies installation for a Glock 17 Gen 5 barrel replacement or custom upper build, although final fit, muzzle-device alignment, and function should always be confirmed before live fire.
The barrel is compatible with supported Zaffiri Precision Gen 5 slide designs, including ZPS.2, ZPS.3, Z Series, and IBS configurations where the extended muzzle has proper clearance. Its combination of Gen 5-specific fitment, threaded versatility, and subdued finish makes it a practical choice for builds intended to evolve around different muzzle-device setups.
Construction and Performance Features
- Aftermarket threaded barrel for Glock 17 Gen 5-compatible pistols
- Extended muzzle supports compatible compensators and suppressors
- Precision machined from 416R stainless steel
- Black Nitride treatment provides a durable, low-glare surface
- Added resistance to corrosion and cycling-related wear
- Precision-cut chamber, feed-ramp, hood, and locking geometry
- Conventional rifling supports a broad selection of ammunition
- Designed for consistent fitment with compatible OEM and aftermarket components
- Drop-in style installation with compatible Gen 5 slides
- Compatible with supported Zaffiri Precision ZPS.2, ZPS.3, Z Series, and IBS Gen 5 slides
- Manufactured in-house in Largo, Florida
- Made in the USA
Barrel Specifications
- Compatible Platform: Glock 17 Gen 5-style pistols
- Barrel Type: Threaded, non-ported
- Thread Pattern: 1/2 x 28 TPI
- Material: 416R stainless steel
- Finish: Black Nitride
- Rifling: Conventional
- Installation: Designed for drop-in fitment with compatible components
- Slide Compatibility: Supported Gen 5 ZPS.2, ZPS.3, Z Series, and IBS slide configurations
- Manufacturing Location: Largo, Florida, USA
The Zaffiri Precision Threaded Barrel for G17 Gen 5 provides a flexible foundation for an optic-ready range pistol, compensated build, or suppressor-compatible upper. Its Black Nitride surface, Gen 5-specific geometry, and precision-machined stainless construction deliver a functional upgrade without shifting the build toward the more specialized requirements of an internally ported system.
Compatibility Note: This aftermarket threaded barrel is designed for Glock 17 Gen 5-style pistols and is not intended for Glock 17 Gen 1-4 slides. Confirm slide clearance, muzzle-device thread compatibility, suppressor piston or compensator alignment, recoil-system requirements, and ammunition suitability before use. Threaded barrels and certain muzzle devices may be restricted in some jurisdictions. This product is not manufactured by, authorized by, endorsed by, or affiliated with Glock.
Product Information
| Finish | QPQ Nitride |
|---|---|
| Platform | Glock |
| Compatibility | G17, Gen 5 |
| Features | Threaded |
| Caliber | 9mm |
| Manufacturer | Zaffiri Precision |
| Twist Rate | 1:10 |
| Color | Black |















