Faxon Firearms Duty Series Glock 34 Gen 5 9mm Luger Threaded Pistol Barrel 5.7in 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 Glock 34 Gen 5 9mm Luger Threaded Pistol Barrel: Manufacturer: Faxon Firearms Color: Black Fabric/Material: 416R Stainless Steel Barrel Length: 5.7 in Barrel Twist Rate: 1-10 Flutes: No Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Gun Model: Glock 34 Condition: New Package Contents: Faxon Firearms Duty Series Glock 34 Gen 5 9mm Luger Threaded Pistol Barrel What firearm models does the manufacturer say Faxon Firearms Duty Series Glock 34 Gen 5 9mm Luger Threaded Pistol Barrel is compatible with? The manufacturer suggests that Faxon Firearms Duty Series Glock 34 Gen 5 9mm Luger Threaded Pistol Barrel is compatible with Glock 34Faxon Firearms GA910N345NGQ-T: Duty Series Glock 34 Gen 5 9mm Luger Threaded Pistol Barrel 5.7in 1-10 Twist Black