Luth-AR Ruger 10/22 .22 Long Rifle Threaded Rifle Barrel 18 inch Bull 1-16 Twist 1/2x28 Blasted Matte Grey. Installing a quality barrel is arguably the #1 way to improve your AR's accuracy. Putting extra weight forward a Bull Barrel helps minimize gun movement. The thicker barrel reduces barrel vibration and takes longer to heat up allowing more shots on target before accuracy starts to deteriorate. Specifications for Luth-AR Ruger 10/22 .22 Long Rifle Threaded Rifle Barrel: Manufacturer: Luth-AR Color: Grey Finish: Matte Caliber: .22 Long Rifle Barrel Length: 18 in Barrel Profile: Bull Threads per Inch: 1/2x28 Barrel Twist Rate: 1-16 Barrel Material: 416 Stainless Steel Flutes: No Barrel Shank Diameter: 0.92 in Gun Make: Ruger Gun Model: Ruger 10/22 Gun Type: Rifle Weight: 2.95 lb Package Contents: Luth-AR Ruger 10/22 .22 Long Rifle Threaded Rifle Barrel What firearm models does the manufacturer say Luth-AR Ruger 10/22 .22 Long Rifle Threaded Rifle Barrel is compatible with? The manufacturer says that Luth-AR Ruger 10/22 .22 Long Rifle Threaded Rifle Barrel is compatible with Ruger 10/22Luth-AR 22LR-BL-B18-16: Ruger 10/22 .22 Long Rifle Threaded Rifle Barrel 18 inch Bull 1-16 Twist 1/2x28 Blasted Matte Grey