Product Description The Rosco Manufacturing Purebred SPR Sauce Pack is a purpose-built bundle designed to deliver everything you need for a high-performance AR-style carbine build in one convenient package. Created in direct response to customer demand, this kit combines a hand-picked selection of precision-engineered components that are perfectly matched to work together as a seamless, optimized system. At the heart of the bundle is a Rosco Purebred SPR 18-inch barrel chambered in 223 Wylde, crafted from 416R stainless steel with a bead-blasted finish for a clean, professional appearance. Complementing the barrel are the Rosco Bloodline BCG (Bolt Carrier Group), Bloodline non-adjustable gas block, and Bloodline gas tube -- all engineered to synchronize flawlessly and bring each component to its peak operating performance right out of the box. Product Highlights Complete Sauce Pack Bundle: Includes an 18-inch 223 Wylde barrel, Bloodline BCG, non-adjustable Bloodline gas block, and Bloodline gas tube for a ready-to-build upper kit. Premium Barrel Construction: Purebred SPR barrel is machined from 416R stainless steel with a bead-blasted finish for enhanced corrosion resistance and a refined aesthetic. Optimized 223 Wylde Chamber: Provides the accuracy of .223 Remington with the flexibility to safely shoot 5.56 NATO ammunition, ideal for precision and versatility. Synchronized System Design: All components are selected and designed to work in unison, ensuring a reliable and uninterrupted gas system operation and peak-level performance. 1:7" Twist Rate and 1/2"x28 Threads: The fast 1:7" twist stabilizes a wide range of bullet weights, and the standard 1/2"x28 muzzle thread accepts the most popular suppressors and muzzle devices. Specs Brand: Rosco Manufacturing Series: Sauce Pack Caliber: 223 Wylde Barrel Material: 416R Stainless Steel Barrel Finish: Bead Blasted Barrel Length: 18" Twist Rate: 1:7" Thread Pattern: 1/2"x28 Included Components: Purebred SPR Barrel, Bloodline BCG, Bloodline Gas Block (Non-Adjustable), Bloodline Gas Tube UPC: 181969500807 MPN: SP-PB-18-223-BCG-GTR Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>