Killer Innovations Velocity For Sig P320 X-Compact Pistol Barrels TiN Gold. Every barrel is machined with an 11 target crown for greater accuracy and coated with high-quality finishes ensuring the most accurate reliable barrels available on the market today. Specifications for Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel: Manufacturer: Killer Innovations Fabric/Material: 416R Barrel Length: 3.6 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Flutes: No Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: SIG Sauer Gun Model: SIG Sauer P320 X-Compact Weight: 3.7 oz Condition: New Gun Frame Size: Compact Country of Origin: USA Features of Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel Weight: 3.71 OZ with Thread Protector Length: 4.25 Overall Length ( End to End ) Length: 3.817 Gas Hood to Thread Shoulder (3.6 compact) Each Threaded Barrel comes with our original Gen 2 Thread Protector Thread Protector Finish: Black Nitride Thread Protector Weight: .16 OZ High-Temp Rubber O-Ring Included Compatible With: Sig P320 X Compact (The 3.6 Slide) Package Contents: Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel Thread Protector High Temp Rubber O Ring What firearm models does the manufacturer say Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel is compatible with? The manufacturer says that Killer Innovations Velocity For Sig P320 X-Compact Threaded Pistol Barrel is compatible with SIG Sauer P320 X-CompactKiller Innovations SIGBT403GLD: Velocity For Sig P320 X-Compact Pistol Barrels TiN Gold