Zaffiri Precision Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel 5.20in 1-10 RH Twist Nitride Black. Machined from 416R stainless steel they are built for consistent fitment and dependable operation with standard components. The flush-cut muzzle sits even with the slide for a streamlined profile while precision machining adds a distinctive look. A great choice whether you're upgrading a factory Glock pistol or building a custom clone from the ground up. Specifications for Zaffiri Precision Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel: Manufacturer: Zaffiri Precision Fabric/Material: 416R Stainless Steel Caliber: 9mm Luger Gun Make: Glock Gun Model: Glock 34 Gen 4 Glock 34 Gen 3 Barrel Length: 5.2 in Threads per Inch: None Barrel Twist Rate: 1-10 RH Gun Type: Pistol Features of Zaffiri Precision Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel Flush-cut crowned muzzle for a clean non-threaded profile Precision machining adds a distinctive look Designed for consistent fitment with OEM and aftermarket components Compatible with Zaffiri Precision slide models including ZPS.2 ZPS.3 Z Series and IBS Conventional rifling compatible with a wide range of ammunition types Designed for drop-in installation Package Contents: Zaffiri Precision Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel What firearm models does the manufacturer say Zaffiri Precision Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel is compatible with? The manufacturer says that Zaffiri Precision Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel is compatible with Glock 34 Gen 3 Glock 34 Gen 4Zaffiri Precision BA-G34-FC-BN: Flush and Crown Glock 34 Gen 3 Glock 34 Gen 4 9mm Luger Non-Threaded Pistol Barrel 5.20in 1-10 RH Twist Nitride Black