ZEV Technologies Glock 17 Gen1-4 9mm Luger PRO Match Grade Threaded Pistol Barrel 1-10 Twist 1/2x28 Bronze PVD Black. This material provides high tensile strength and toughness to withstand typical chamber pressures while still being highly corrosion resistant. Specifications for ZEV Technologies Glock 17 9mm Luger PRO Match Grade Threaded Pistol Barrel: Manufacturer: ZEV Technologies Color: Bronze Finish: PVD Fabric/Material: 416R Stainless Steel Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Caliber: 9mm Luger Gun Make: Glock Gun Model: Glock 17 Gen 4 Glock 17 Gen 3 Glock 17 Gen 1 Glock 17 Gen 2 Condition: New Features of ZEV Technologies Glock 17 9mm Luger PRO Match Grade Threaded Pistol Barrel Match Grade drop in barrel 1-14'' twist rate SAAMI spec. Match chambers Package Contents: ZEV Technologies Glock 17 9mm Luger PRO Match Grade Threaded Pistol Barrel What firearm models does the manufacturer say ZEV Technologies Glock 17 9mm Luger PRO Match Grade Threaded Pistol Barrel is compatible with? The manufacturer suggests that ZEV Technologies Glock 17 9mm Luger PRO Match Grade Threaded Pistol Barrel is compatible with Glock 17 Gen 2 Glock 17 Gen 1 Glock 17 Gen 3 Glock 17 Gen 4ZEV Technologies BBL-17-PRO-TH-B: Glock 17 Gen1-4 9mm Luger PRO Match Grade Threaded Pistol Barrel 1-10 Twist 1/2x28 Bronze PVD Black