The Tiger Rock Inc. BRG19TH-N Glock 19 Black Nitride 9mm Threaded Barrel enhances your firearm's performance with its precision engineering. Manufactured in the USA, this barrel is designed for unmatched accuracy and reliability. Featuring a drop-in fit for Glock Gen 1-4 and Gen 5 models, it incorporates a durable black nitride finish that not only looks great but also offers superior corrosion resistance. The barrel is made from high-quality 416 stainless steel and heat-treated for increased durability. 9MM Drop in fit for Gen 1-4 & Glock Gen 5 Machined from 416 stainless steel and heat treated to RC 41 Available threaded and non-threaded Polished Feed Ramp 1:16 Twist Rate Made in USA Black Nitride Finish SAAMI spec. 9mm Match chambers Threaded barrel 1/2x28 Upgrade your Glock 19 with the exquisite BRG19TH-N barrel and experience the difference in your shooting performance.