The Ballistic Advantage Premium Series 9mm 5" threaded pistol barrel for Glock 17 Gen 5 delivers enhanced performance with a 1/2x28 thread pitch, spiral fluting for reduced weight and improved cooling, and a durable QPQ corrosion resistant finish in classic black. Designed to fit Glock 17 Generation 5 frames, this threaded barrel expands your handguns versatility for suppressed or externally threaded setups while maintaining reliable chamber integrity and precise fitment. Crafted in 9mm Luger with a 5-inch length, it supports accurate, consistent cycling and improved muzzle control, making it a strong choice for target shooting, varmint protection, or defense scenarios where a compact, controllable platform is preferred. The Black Premium Series barrel combines high-quality metallurgy and meticulous machining to deliver tight tolerances, smooth bore finish, and durable long-term performance under demanding shooting sessions. Ballistic Advantage emphasizes reliability and corrosion resistance, ensuring the threaded barrel stands up to varied environments and prolonged use. This upgrade pairs seamlessly with Glock 17 Gen 5 components to enhance versatility, handling, and functional versatility for enthusiasts seeking a superior, purpose-built 9mm barrel option.