Volquartsen Firearms Lightweight Carbon Fiber Barrel Ruger 10/22 1-16 Twist 1/2 x 28 Threads Black Ends/Stainless. A stainless steel barrel fitted with a woven carbon fiber tube creates an air space between the barrel and sleeve helping the barrel stay cool under rapid-fire conditions. The rigidity of the carbon fiber tube allows us to put the barrel in tension minimizing barrel vibrations typically found on smaller barrel diameters. Specifications for Volquartsen Firearms Lightweight Carbon Fiber Ruger 10/22 Threads Barrel: Manufacturer: Volquartsen Firearms Finish: Stainless Steel Caliber: .22 Long Rifle Barrel Length: 16.75 in Barrel Profile: Bull Threads per Inch: 1/2x28 Barrel Twist Rate: 1-16 Barrel Material: 416R Stainless Steel Gun Make: Ruger Gun Model: Ruger 10/22 Weight: 20 oz Condition: New Package Contents: Volquartsen Firearms Lightweight Carbon Fiber Ruger 10/22 Threads Barrel What firearm models does the manufacturer say Volquartsen Firearms Lightweight Carbon Fiber Ruger 10/22 Threads Barrel is compatible with? The manufacturer says that Volquartsen Firearms Lightweight Carbon Fiber Ruger 10/22 Threads Barrel is compatible with Ruger 10/22Volquartsen Firearms VF10LCF-FBC-B: Lightweight Carbon Fiber Barrel Ruger 10/22 1-16 Twist 1/2 x 28 Threads Black Ends/Stainless