Killer Innovations Sig P320C Non Threaded Barrel 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. These are our Mod 2 barrels with the Threaded versions made to pair perfectly with our Velocity Compensator. Specifications for Killer Innovations Sig P320C 9mm Non Threaded Barrel: Manufacturer: Killer Innovations Fabric/Material: 416R Stainless Steel Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P320 Compact Barrel Twist Rate: 1-10 Weight: 3.3 oz Condition: New Country of Origin: USA Features of Killer Innovations Sig P320C 9mm Non Threaded Barrel Rifling: Single Point Cut with SPT Technology Length: 3.862 O.A.L. Compatible With: Sig P320C Slides using a 3.9 Barrel NOT compatible with P320 X-Series Package Contents: Killer Innovations Sig P320C 9mm Non Threaded Barrel What firearm models does the manufacturer say Killer Innovations Sig P320C 9mm Non Threaded Barrel is compatible with? The manufacturer says that Killer Innovations Sig P320C 9mm Non Threaded Barrel is compatible with SIG Sauer P320 CompactKiller Innovations SIGBN317GLD: Sig P320C Non Threaded Barrel Tin (Gold)