Shaw AR-15 22 ARC Threaded Barrel 12.5in No Flute HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless. Shaw is now proud to offer complete barrels directly to consumers. Specifications for Shaw AR-15 22 ARC Threaded Barrel: Manufacturer: Shaw Color: Steel Finish: Matte Fabric/Material: Stainless Steel Caliber: .22 ARC (Advanced Rifle Cartridge) Barrel Profile: HBAR Gas System Length: Rifle Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-7 Barrel Material: 416R Stainless Steel Gun Make: AR Platform Gun Model: AR-15 Condition: New Gun Type: Rifle Package Contents: Shaw AR-15 22 ARC Threaded Barrel What firearm models does the manufacturer say Shaw AR-15 22 ARC Threaded Barrel is compatible with? The manufacturer says that Shaw AR-15 22 ARC Threaded Barrel is compatible with AR-15Shaw AR15HBSS122ARC: AR-15 22 ARC Threaded Barrel 12.5in No Flute HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless