Zaffiri Precision Threaded Barrel for G17L | Gen 1-3 | Gold

Zaffiri Precision Threaded Barrel for G17L Gen 3 | Gold

The Zaffiri Precision Threaded Barrel for G17L Gen 3 is a premium aftermarket barrel for Glock 17L Gen 1-3-compatible long-slide pistols. Designed for builders who want threaded muzzle capability on the extended G17L platform, this barrel gives shooters the correct long-slide fitment needed for a proper Glock 17L-style build while adding flexibility for compatible muzzle devices.

The Glock 17L uses a longer barrel and slide format than a standard Glock 17, so compatibility should be checked carefully. This Zaffiri Precision barrel is made for Glock 17L Gen 1-3-style slides and is not intended for standard Glock 17 slides. That distinction is especially important for customers completing a custom long-slide upper, replacing an existing G17L barrel, or building a range-focused pistol around the extended slide profile.

Zaffiri Precision machines this barrel from 416R stainless steel at its facility in Largo, Florida. The extended threaded muzzle allows customers to configure the pistol with properly matched compensators, suppressors, and other compatible muzzle devices, while the drop-in design keeps installation straightforward when used with the correct Glock 17L-compatible components. Conventional rifling supports a wide range of common ammunition types, including lead, plated, and jacketed bullets.

For shoppers comparing Glock 17L barrel upgrades, this threaded model offers a different advantage than the flush-and-crown or side-ported versions. A flush-and-crown barrel keeps the muzzle profile simple, and a side-ported barrel adds built-in gas redirection, but this threaded configuration gives builders the most flexibility for external muzzle-device tuning. That makes it a strong option for long-slide range builds, suppressor-ready setups, and custom pistols where added configuration potential matters.

This Zaffiri Precision Threaded Barrel for G17L Gen 3 is a strong fit for customers who want U.S. manufacturing, 416R stainless steel construction, correct Gen 1-3 long-slide compatibility, and threaded functionality in one barrel. Whether the goal is a refined range pistol, a custom upper assembly, or a Glock 17L-compatible build with muzzle-device support, this barrel provides the fit, machining quality, and upgrade path expected from Zaffiri Precision.

Features

• Aftermarket threaded barrel for Glock 17L Gen 3-compatible pistols
• Compatible with Glock 17L Gen 1-3 long-slide configurations
• Designed for G17L slides; not for standard Glock 17 slides
• Extended threaded muzzle supports compatible compensators and suppressors
• Drop-in fit
• Machined from 416R stainless steel
• Manufactured in-house by Zaffiri Precision in Largo, Florida
• Designed for consistent fitment with OEM and aftermarket components
• Conventional rifling compatible with a wide range of ammunition types
• Compatible with Zaffiri Precision ZPS.2, ZPS.3, Z Series, and IBS slide models
• Precision machining adds a distinctive finished appearance
• Made in the USA

Compatibility Note: This is an aftermarket component designed for compatibility with Glock 17L Gen 1-3-style long-slide pistols. It is not manufactured by, endorsed by, or affiliated with Glock. This barrel is designed for Glock 17L-length slides and is not intended for standard Glock 17 slides. Threaded barrels and muzzle devices may be restricted in some jurisdictions; confirm all applicable laws before ordering.