The Ballistic Advantage Premium Series 9mm 5" threaded pistol barrel, finished in copper, is designed to upgrade Glock 17 Generation 5 handguns with precision and reliability. This 5" barrel features a 1/2x28 thread pitch, enabling secure mounting of compensators, suppressors, or muzzle devices while preserving overall grip and balance. Crafted to exacting standards, the chamber geometry and bore ensure consistent homeload performance and enhanced accuracy across shooting sessions, whether at the range or in duty readiness drills. The threaded design expands your options for control and adaptability without altering the firearms fit or handling characteristics, making it a practical choice for enthusiasts seeking improved performance from their Glock 17 Gen 5 platform. Ballistic Advantages copper finish not only provides a distinct aesthetic but also contributes to corrosion resistance and longevity under rigorous shooting conditions. This barrel integrates seamlessly with Glock 17 Gen 5 frames, delivering reliable function, smooth cycling, and repeatable accuracy round after round. Ideal for competition, duty training, and precision-focused shooting, it represents a thoughtful upgrade that respects the firearms native ergonomics while expanding its versatility.