Drop In 9mm Barrel (Threaded) - PVD (Physical Vapor Deposition) Coating, Flat Dark Earth - Fits Glock 19 This match grade G19 9mm barrel is designed to drop right into your Glock 19 Polymer 80 pistol build or OEM slide. The barrel is made from 416R steel with a 1:10 barrel twist ratio and it features a melonite finish to add extra wear resistance and ease of maintenance, and the black nitride gives it a sleek, polished look. Coatings made through Physical Vapor Deposition (PVD) are highly durable and offer reduced friction, which significantly enhances both durability and performance. Caliber - 9MM Barrel Length - 4.5" Color - FDE Fits Glock OEM 19 Gen 1-4 DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. SKU: G19-TH-FDE UPC: 860006522349