The Tiger Rock Inc. BRG19-N Glock 19 Black Nitride 9mm Barrel elevates your firearm capabilities, promising unmatched accuracy and performance. Crafted from premium 416 stainless steel with a resilient black nitride finish, this match-grade barrel fits seamlessly into Glock Gen 1-4 and Gen 5 models, catering to both enthusiasts and professionals. 9MM caliber Drop-in fit for Gen 1-4 & Glock Gen 5 Available in both threaded and non-threaded options Polished feed ramp for enhanced reliability Black nitride finish for durability 1:16 twist rate for accuracy Meets SAAMI specifications for 9mm match chambers Machined from 416 stainless steel and heat treated to RC 41 For optimal performance, installation by a qualified gunsmith is highly recommended.