Product DescriptionThe Aim Sports AR5CUB3 Complete Upper Assembly is built for AR-15 platforms chambered in 5.56x45mm NATO, offering a ready-to-install upper with key performance components already included. It features a 16-inch SOCOM profile 4150 chrome moly vanadium barrel with a durable black nitride finish, a forged 7075-T6 aluminum upper receiver with black hard coat anodizing, and a 15-inch free-float M-LOK handguard for modern accessory mounting and improved handling. Designed for dependable performance, this complete upper includes the bolt carrier group and charging handle, along with M4 feed ramps and an A2 flash hider for a proven, practical configuration.Product Highlights Complete AR-15 upper assembly chambered in 5.56x45mm NATO for a convenient drop-in style upgrade 16-inch SOCOM profile 4150 chrome moly vanadium barrel with black nitride finish for durability and corrosion resistance 15-inch free-float M-LOK handguard provides ample space for accessories while supporting improved barrel harmonics Forged 7075-T6 aluminum upper receiver with black hard coat anodized finish for strength and long-term wear resistance Includes bolt carrier group and charging handle, plus M4 feed ramps, A2 flash hider, and optic-ready top rail Specs Brand: Aim Sports Manufacturer Part Number: AR5CUB3 UPC: 815879019738 Product Type: Complete Upper Assembly Platform Fit: AR-15 Caliber: 5.56x45mm NATO Barrel Length: 16 in Barrel Profile: SOCOM Barrel Material: 4150 Chrome Moly Vanadium Barrel Finish: Black Nitride Twist Rate: 1:8 Thread Pattern: 1/2x28 Muzzle Device: A2 Flash Hider Receiver Material: 7075-T6 Aluminum Receiver Finish: Black Hard Coat Anodized Handguard: 15 in Free-Float M-LOK Feed Ramps: M4 Sights: Optic Ready Included Components: Upper receiver, bolt carrier group, charging handle Approximate Weight: 67.2 oz 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.