Rival Arms V2 Pistol Barrel Glock 17 9mm Luger 4.47in 1-10 Twist 1/2-28 Thread Silver RA. After that it often comes down to a match-grade barrel. Built from high-quality stainless steel precision polished and treated with premium coatings these barrels rival custom work and deliver the best in accuracy and performance round after round. Threaded barrels and protectors use 1/2-28 threads for compatibility with after-market accessories like suppressors and compensators. Specifications for Rival Arms Glock 17 Gen 3-4 V2 Pistol Barrel: Manufacturer: Rival Arms Color: Silver Finish: PVD Fabric/Material: 416R Stainless Steel Barrel Length: 4.47 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Flutes: No Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Gun Model: Glock 17 Weight: 0.3 Rifling Profile: 6 Groove Rifling Country of Origin: USA Quantity: 1 Features of Rival Arms Glock 17 Gen 3-4 V2 Pistol Barrel Match-grade precision drop-in barrel 6 groove rifling CNC-machined from 416R stainless steel billet results in superior Corrosion resistance and durability Target crowned muzzle Individually hand inspected for accuracy No gunsmith required Limited lifetime warranty Package Contents: Rival Arms Glock 17 Gen 3-4 V2 Pistol Barrel What firearm models does the manufacturer say Rival Arms Glock 17 Gen 3-4 V2 Pistol Barrel is compatible with? The manufacturer suggests that Rival Arms Glock 17 Gen 3-4 V2 Pistol Barrel is compatible with Glock 17Rival Arms RA-RA22G101D: V2 Pistol Barrel Glock 17 9mm Luger 4.47in 1-10 Twist 1/2-28 Thread Silver