Zaffiri Precision Glock 17 Glock 19 Blowhole Compensator 9mm Luger 1/2x28 PVD Gold. Machined from 17-4 stainless steel these compensators are built for durability and consistent fitment with standard 1/2 x 28 threaded barrels. While compatible with factory Glock pistols Blowhole Compensators are designed to pair seamlessly with Zaffiri Precision slides and barrels for a clean integrated look. Specifications for Zaffiri Precision Glock 17 Glock 19 Blowhole Compensator: Manufacturer: Zaffiri Precision Caliber: 9mm Luger Fabric/Material: 17-4 Stainless Steel Threads per Inch: 1/2x28 Gun Make: Glock Gun Model: Glock 34 Glock 17L Glock 17 Glock 26 Glock 19 Gun Type: Pistol Features of Zaffiri Precision Glock 17 Glock 19 Blowhole Compensator Precision porting redirects gases to help reduce muzzle rise and felt recoil Designed for use with 1/2 x 28 threaded barrels Compatible with Zaffiri Precision threaded barrels and aftermarket options Designed to visually match Zaffiri Precision slides for a cohesive build Compact profile maintains a clean overall setup Package Contents: Zaffiri Precision Glock 17 Glock 19 Blowhole Compensator Vibra-tite Thread Locker Set Screws Tool What firearm models does the manufacturer say Zaffiri Precision Glock 17 Glock 19 Blowhole Compensator is compatible with? The manufacturer suggests that Zaffiri Precision Glock 17 Glock 19 Blowhole Compensator is compatible with Glock 19 Glock 26 Glock 17 Glock 17L Glock 34Zaffiri Precision COMP-TH-G1917-GLD: Glock 17 Glock 19 Blowhole Compensator 9mm Luger 1/2x28 PVD Gold