Rosco Manufacturing Purebred Sauce Pack 18in .223 Wylde Stainless. The result is a hand-picked list of parts that will produce results right out of the box. All parts within these kits are designed to synchronize together and create an un-interrupted system that will bring every individual component to its peak performance level. The perfect marriage of all available accessories and in-house made barrels will make for the ultimate combo in performance and cost savings. Specifications for Rosco Manufacturing Purebred Sauce Pack SPR Threaded Barrel: Manufacturer: Rosco Manufacturing Color: Stainless Finish: Bead Blast Fabric/Material: 416R Stainless Caliber: .223 Wylde Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Barrel Material: 416R Stainless Steel Condition: New Gas Block Journal Size-Length: 1.297 in Gun Type: Rifle Firearms Threads Per Inch: 1/2x28 Threads per Inch: 1/2x28 Features of Rosco Manufacturing Purebred Sauce Pack SPR Threaded Barrel Sauce Packs feature hard-use barrels (from the namesake category) and the accessories needed to provide the consumer with a complete ignition system for their Duty/ Defense builds. Each Sauce Pack features a Barrel Bolt Carrier Group (5.56/.300 BLK) Gas Block and a Gas Tube (Pistol Carbine Patrol Mid-Length Intermediate or Rifle). The parts are all designed to work perfectly when paired together and are designed to maximize the performance of each component collectively Package Contents: Rosco Manufacturing Purebred Sauce Pack SPR Threaded Barrel What firearm models does the manufacturer say Rosco Manufacturing Purebred Sauce Pack SPR Threaded Barrel is compatible with? The manufacturer says that Rosco Manufacturing Purebred Sauce Pack SPR Threaded Barrel is compatible with AR-15Rosco Manufacturing SP-PB-18-223: Purebred Sauce Pack 18in .223 Wylde Stainless