The WMD Guns Complete Upper Receiver in .300 AAC Blackout with a 16" Barrel is engineered for high performance and reliability. This upper assembly features a forged AR-15 construction with a hardcoat black anodized aluminum finish, ensuring durability in any environment. The NiB-X coated charging handle, bolt carrier group (BCG), and handguard enhance corrosion resistance and smooth operation. It also includes a low-profile gas block, Nitromet gas tube, ejection port cover, and forward assist, making it a complete solution for your next build or upgrade. Ideal for tactical applications, home defense, and recreational shooting, this upper receiver delivers exceptional performance and versatility.