Product Description The Rosco Manufacturing Bloodline Sauce Pack is the ultimate bundle solution for AR-15 carbine and pistol builds chambered in 5.56 NATO. Engineered after direct customer requests, this carefully curated kit delivers all the essential upper components needed to complete a high-performance ignition system in a single, cost-effective package. The 10.5" Bloodline barrel is constructed from 4150 CMV steel with a 1:7 twist rate and a durable Melonite finish, while the included Bloodline Bolt Carrier Group (compatible with 5.56/.300 BLK), non-adjustable gas block, and carbine-length gas tube are all designed to work in perfect harmony. Every component in this kit is hand-picked and factory-matched to synchronize seamlessly, maximizing the peak performance of each individual part. Whether you are building a duty pistol or a compact defense carbine, this Sauce Pack provides a proven foundation right out of the box. Product Highlights Complete Ignition System Bundle: Includes a matched Bloodline Barrel, Bolt Carrier Group (5.56/.300 BLK), Non-Adjustable Gas Block, and Carbine Gas Tube for a fully integrated upper assembly kit. 10.5" Government Profile Barrel: Built from 4150 CMV steel with a 1:7 twist rate and Melonite finish for superior durability, corrosion resistance, and consistent accuracy in a compact SBR/pistol configuration. Melonite Finish Throughout: All components feature a Melonite (QPQ salt bath nitride) finish, providing excellent wear resistance and a uniform matte black appearance. Designed to Synchronize: Each Bloodline component is engineered to work as a unified system, ensuring an uninterrupted gas cycle and maximum reliability under hard-use conditions. Performance and Value: Combines Rosco&';s in-house manufactured Bloodline barrel with premium accessories at a combined price that delivers exceptional performance per dollar for serious builders. Specs Brand: Rosco Manufacturing Model: Bloodline Sauce Pack Caliber: 5.56 NATO / .300 BLK (BCG) Barrel Length: 10.5" Barrel Profile: Government Profile Barrel Material: 4150 CMV Steel Twist Rate: 1:7 Finish: Melonite (QPQ) Color: Black Gas Tube Length: Carbine Gas Block Type: Non-Adjustable Includes: Bloodline Barrel, Bloodline BCG (5.56/.300 BLK), Bloodline Gas Block (Non-Adjustable), Bloodline Gas Tube Manufacturer Part Number (MPN): SP-BL-105-556-BCG-GTC UPC: 181969500715 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. ]]>