The Zaffiri Precision threaded barrel delivers match-grade performance for Glock 19 Gen3-5 pistols with premium 416R stainless steel construction and titanium nitride finish.Zaffiri Precision Match Grade Barrel for Glock 194.5" barrel length in 9mm caliberThreaded 1/2x28 for suppressor compatibility416R stainless steel constructionTitanium nitride finish for durability and corrosion resistanceDrop-in barrel upgrade fits Glock 19 Gen3-5Made in the USAPerfect for shooters seeking enhanced accuracy and suppressor compatibility with a reliable high-performance barrel upgrade that maintains factory reliability.