The Zaffiri Precision ZAF BBL For Glock 19 Gen3–5 4.5" Threaded Black Barrel is a match grade drop-in upgrade designed to tighten groups and add threaded versatility to your G19. Precision machined from 416R stainless steel and finished in black nitride, it offers smooth cycling, enhanced corrosion resistance, and a distinctive spiral-fluted profile that reduces weight while maintaining rigidity.

This 9mm barrel’s 4.5" length and 1/2x28 threaded muzzle make it ideal for pairing with muzzle devices or other threaded accessories, whether you are refining your carry pistol or building a dedicated range gun. Its easy drop-in fit for Glock 19 Gen3 through Gen5 keeps installation straightforward while delivering consistent accuracy. Zaffiri Precision is known for careful machining and attention to detail, giving shooters a reliable, refined barrel upgrade for everyday use and training.

Key Features:

• Manufacturer: Zaffiri Precision
• Model: ZAF BBL For Glock 19 Gen3–5 4.5" Threaded Black Barrel
• Caliber: 9mm
• Barrel Length: 4.5"
• Product Type: Barrel
• Threaded Barrel: Yes, 1/2x28