Tapco Barrel Features The Tapco Threaded Replacement Drop-In Barrel is machined from match grade 414 stainless steel a material chosen for its combination of strength and corrosion resistance in a duty or range pistol barrel. The black nitride finish adds further protection against wear and the elements while giving the barrel a durable low-maintenance exterior. Designed as a true drop-in part this barrel installs into a Glock 17 Gen 1 through 3 without requiring gunsmith fitting or additional modification to the pistol. This straightforward installation makes it accessible to shooters who want to upgrade their pistol without specialized tools or expertise. Threaded at the muzzle this barrel allows the attachment of a suppressor or compensator for shooters looking to expand their pistol s capability beyond the factory configuration. A thread protector is included to cap the threads and maintain a clean profile when no muzzle device is attached. Chambered in 9mm Luger the barrel maintains full compatibility with the cartridge the Glock 17 was designed around. For Glock 17 owners looking to add threading and a premium stainless finish without replacing the entire pistol this Tapco barrel offers a direct affordable upgrade path. Tapco Barrel Specifications Manufacturer: Tapco Model: Barrel Compatible Hosts: Glock 17 Gen1-3 Caliber: 9mm Luger Barrel Material: Stainless Steel Barrel Finish: Black Nitride Thread Pattern: 1/2x28 Sights: None Muzzle: Thread Protector Included Barrel Length: 4.49 Available At: GrabAGun