The BAD ONE:1 Fluted Barrel For Glock 19 Gen 2–4 Threaded Stainless Steel is a precision-machined upgrade for shooters who want more consistency from their 9mm Glock. Cut from heat-treated 416R stainless with straight flutes and a 4.5" overall length, this barrel uses the ONE:1 single-machine process to keep the chamber, bore, and rifling perfectly aligned. A 1/2x28 threaded muzzle with 11° target crown and included SABERTUBE dimpled thread protector with O-ring support the use of suppressors or other muzzle devices while protecting the threads when you run the pistol bare.

Optimized for Glock 19 pistols across multiple generations, this barrel is rated for +P ammunition and designed to deliver repeatable accuracy and smooth function during high-volume range sessions, structured training, or competition-style drills. The stainless finish and fluted profile help manage heat and fouling while giving your pistol a clean, modern look. It is a straightforward drop-in enhancement that reflects BAD’s focus on careful machining and practical innovation.

• Manufacturer: BAD
• Model: ONE:1 Fluted Barrel For Glock 19 Gen 2–4 Threaded SS
• Caliber: 9mm Luger
• Barrel Length: 4.5"
• Threaded Barrel: 1/2x28 With SABERTUBE Thread Protector
• Twist Rate: 1:10
• Rifling: Straight, Single-Point Cut