Rock River Arms 20" SS Varmint 1-8 223 Wylde Barrel Assembly w/Gas Block

Rock River Arms 20in SS Varmint 1-8 Barrel Assembly w/Gas Blk Stainless Steel. 223 Wylde Barrel Assembly Specifications for Rock River Arms 20in SS Varmint 1-8 Non Threaded Barrel Assembly w/Gas Blk: Manufacturer: Rock River Arms Color: Steel Caliber: .223 Wylde Barrel Length: 20 in Barrel Profile: Varmint Gas System Length: Mid Length Gas Block Journal Size-Diameter: .936 in Barrel Twist Rate: 1-8 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 67 oz Threads per Inch: Non Threaded Fabric/Material: 416R Stainless Steel Package Contents: Rock River Arms 20in SS Varmint 1-8 Non Threaded Barrel Assembly w/Gas Blk What firearm models does the manufacturer say Rock River Arms 20in SS Varmint 1-8 Non Threaded Barrel Assembly w/Gas Blk is compatible with? The manufacturer suggests that Rock River Arms 20in SS Varmint 1-8 Non Threaded Barrel Assembly w/Gas Blk is compatible with UniversalRock River Arms AR0226ASY: 20in SS Varmint 1-8 Barrel Assembly w/Gas Blk Stainless Steel