Product Description The Rosco Manufacturing Sauce Pack bundle was built in response to customer demand for a convenient, performance-matched set of core components for an AR-15 carbine/pistol build. This kit pairs a Rosco Bloodline 16" 5.56 NATO threaded barrel with key operating parts designed to work together as a reliable, uninterrupted system right out of the box. Finished in durable black nitride and configured with a mid-length gas system, it includes the barrel plus essential gas and bolt carrier components to help streamline your upper build. Product Highlights All-in-one Rosco "Sauce Pack" bundle for AR-15 builds with matched, synchronized components Bloodline 16" 5.56 NATO threaded barrel for versatile, modern rifle configurations Mid-length gas system setup to support smooth cycling and balanced performance Durable nitride finish in black for corrosion resistance and extended service life Includes key build parts: barrel, bolt carrier group, gas tube, and non-adjustable gas block Specs Brand: ROSCO MANUFACTURING Product Type: Sauce Pack bundle (barrel and operating components kit) Platform Compatibility: Fits AR-15 Caliber: 5.56 NATO Barrel Length: 16" Muzzle Threads: 1/2x28 Gas System Length: Mid-Length Gas Block: Non-adjustable Finish: Nitride Color: Black Included Components: Barrel, Bolt Carrier Group (BCG), Gas Tube, Non-Adjustable Gas Block MPN: SP-BL-16-556-BCG-GTM UPC: 181969500753 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.