Faxon Firearms Gen 5 Match Pistol Barrel w/ Patented Flame Fluting Glock Glock 17 9mm 1-10 Twist 1/2x28 TiN PVD. The barrels drop into factory-spec slides with no gunsmithing required. Better-than-factory tolerances ensure a consistent tighter lockup than OEM. The Faxon Match Series Barrel for G17 GEN 5 is a top-of-the-line upgrade for your Glock 17 pistol. This barrel is designed for maximum performance and accuracy with a range of features that are specifically tailored to meet the needs of serious shooters. Please note: There is a known issue of compatibility with Faxon Glock pattern barrels and some patterns of Zaffiri Precision slides. This seems to be an issue with ZPS.3v2 and ZPS.6 pattern slides due to the size and placement of the top window on the slide. And like all Faxon products this barrel is made in-house in Faxon's Greater Cincinnati Ohio facility ensuring the highest levels of quality and precision. It is also backed by the Faxon Lifetime Guarantee which covers any defects in materials or workmanship for the life of the product. Specifications for Faxon Firearms Match Series Flame Fluting Glock Gen 5 9mm Threaded Pistol Barrel: Manufacturer: Faxon Firearms Fabric/Material: 416R Stainless Steel Barrel Profile: Fluted Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Flutes: Flame Fluted Drop In Compatible with Gen 1-5 Caliber: 9mm Luger Gun Make: Glock Model Generation: 5 Condition: New Package Contents: Faxon Firearms Match Series Flame Fluting Glock Gen 5 9mm Threaded Pistol Barrel What firearm models does the manufacturer say Faxon Firearms Match Series Flame Fluting Glock Gen 5 9mm Threaded Pistol Barrel is compatible with? The manufacturer suggests that Faxon Firearms Match Series Flame Fluting Glock Gen 5 9mm Threaded Pistol Barrel is compatible with Glock 34 Glock 17Faxon Firearms GB910N175LGQ-T-TIN: Gen 5 Match Pistol Barrel w/ Patented Flame Fluting Glock Glock 17 9mm 1-10 Twist 1/2x28 TiN PVD