Ballistic Advantage Barrel Glock 26 Gen 3-5 9mm 3.88 inch Fluted 1-10 Twist Spiral Fluting Black. Known for its strength toughness and good ductility our pistol barrels feature a hardened 416R stainless steel material for absolute durability and corrosion resistance. Each barrel is honed lapped and tumbled to ensure it is free of any imperfection and ready for flawless performance with no break-in period required. All barrels are held to less than .0001 deviation of the bore reaching better than factory tolerance for optimum reliability and accuracy. Specifications for Ballistic Advantage 9mm Threaded Spiral Fluting Barrel: Manufacturer: Ballistic Advantage Fabric/Material: 416R Stainless Barrel Profile: Fluted Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Flutes: Spiral Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Rifling Profile: Button Rifling Country of Origin: USA Package Contents: Ballistic Advantage 9mm Threaded Spiral Fluting Barrel What firearm models does the manufacturer say Ballistic Advantage 9mm Threaded Spiral Fluting Barrel is compatible with? The manufacturer says that Ballistic Advantage 9mm Threaded Spiral Fluting Barrel is compatible with Glock 26 Glock 34 Gen 5Ballistic Advantage BAPSG265T3Q: Barrel Glock 26 Gen 3-5 9mm 3.88 inch Fluted 1-10 Twist Spiral Fluting Black