Faxon Firearms Duty Series 9mm Luger Glock 17 Gen 5 Non-Threaded Pistol Barrel 4.5in 1-10 Twist Black. These barrels are then given a black Nitride or PVD coating to increase lubricity barrel life and resistance to surface wear. All barrels are conventionally rifled to allow a wider range of ammunition to be used including cast lead. The barrels drop into factory-spec slides with no gunsmithing required. Better-than-factory tolerances ensure a consistent tighter lockup than OEM. Specifications for Faxon Firearms Duty Series 9mm Luger Glock 17 Gen 5 Non-Threaded Pistol Barrel: Manufacturer: Faxon Firearms Color: Black Finish: Nitride Fabric/Material: 416R Stainless Steel Caliber: 9mm Luger Gun Make: Glock Gun Model: Glock 17 Barrel Length: 4.5 in Barrel Material: 4150 CMV Steel Barrel Twist Rate: 1-10 Flutes: No Weight: 0.24 lb Condition: New Package Contents: Faxon Firearms Duty Series 9mm Luger Glock 17 Gen 5 Non-Threaded Pistol Barrel What firearm models does the manufacturer say Faxon Firearms Duty Series 9mm Luger Glock 17 Gen 5 Non-Threaded Pistol Barrel is compatible with? The manufacturer suggests that Faxon Firearms Duty Series 9mm Luger Glock 17 Gen 5 Non-Threaded Pistol Barrel is compatible with Glock 17Faxon Firearms GA910N175NGQ-N: Duty Series 9mm Luger Glock 17 Gen 5 Non-Threaded Pistol Barrel 4.5in 1-10 Twist Black