Product Description The Rosco Sauce Pack bundle was created in direct response to customer requests for key, matched components to kickstart an AR-15 carbine or pistol build at a combined value. Built around Roscos Bloodline barrel and paired with a compatible Bloodline bolt carrier group, gas block, and gas tube, the kit is designed to work together as an uninterrupted system to help maximize reliability and performance right out of the box. Product Highlights Matched Rosco Bloodline components designed to synchronize for reliable AR-15 function Includes a 14.5 in .223 Wylde barrel for versatile AR-15 build applications Mid-length gas system components (gas block and gas tube) for a balanced operating setup Includes Bloodline bolt carrier group compatible with 5.56 NATO and .300 Blackout builds Bead-blasted/sandblasted finish for a clean, durable appearance Specs Brand: ROSCO MANUFACTURING Manufacturer Part Number: SP-PB-145-223-BCG-GTM UPC: 181969500784 Caliber: .223 Wylde Barrel Length: 14.5 in Gas System Length: Mid-length Barrel Material: 416R stainless steel (416 R) Twist Rate: 1:8 Muzzle Threads: 1/2x28 Finish: Bead blasted / sandblasted Platform Fit: AR-15 Included Components: Bloodline barrel, Bloodline bolt carrier group, non-adjustable gas block, gas tube 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 products manufacturer.