Product DescriptionUpgrade your AR-15 build with the Patriot Ordnance Factory (POF-USA) Minuteman complete upper receiver assembly, engineered for fast handling and reliable performance. This complete upper is chambered in 5.56x45mm NATO and built around a 16.5 inch 4150 nitride-treated steel barrel with a three-prong flash hider for durability and reduced muzzle signature. A mid-length, direct impingement gas system with a low-profile gas block helps provide smooth cycling, while the Renegade M-LOK handguard offers flexible accessory mounting with an extended 14.5 inch length. Finished in Patriot Brown with an aluminum upper receiver, this MIL-SPEC upper is designed to be a standout foundation for a premium rifle build.Product Highlights 16.5 inch black nitride treated barrel for wear resistance and long service life Chambered in 5.56x45mm NATO with POF E Squared chamber for reliable feeding and extraction Renegade M-LOK handguard (14.5 inch) for modular accessory mounting and improved control Strike Eagle ambidextrous charging handle built for speed and comfortable manipulation Integrated quick-detach sling mounting points (four total) for versatile sling setupSpecs Brand: Patriot Ordnance Factory Manufacturer Part Number: 01815 UPC: 847313018151 Platform Compatibility: AR-15 Caliber: 5.56x45mm NATO Barrel Length: 16.50 inches Barrel Material: 4150 Chrome Moly Vanadium Steel Barrel Finish: Black Nitride Gas System: Mid-length, direct impingement Gas Block: Low profile Handguard: 14.50 inch Renegade rail, M-LOK compatible Receiver Material: Aluminum Receiver Finish: Patriot Brown Sights: None (optic ready) Muzzle Device: Flash hider (three-prong) Sling Mounts: Four integrated quick-detach (QD) mounts Weight: 5.05 lbDisclaimer: 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.