The Battle Arms Development Authority Elite 16 Upper Receiver, in black, combines a 16" 5.56x45mm NATO barrel with AR-15 compatibility to deliver a ready-to-use upper for precision and reliability. This complete upper receiver assembly features an M-LOK handguard for flexible accessory mounting, a durable black anodized finish for corrosion resistance, and a clean, streamlined profile that integrates seamlessly with AR-15 platforms. Included with the Authority Elite upper are a Bad Rack-15 ambidextrous charging handle and an AR15/M16 bolt carrier group, ensuring smooth operation and fast, versatile field use. Designed to maximize accuracy and consistency, the 16" barrel length provides reliable velocity and effective engagement at typical rifle distances, while compatibility with standard AR-15 components makes it an ideal upgrade for homeowners, sport shooters, and tactical professionals seeking a high-performance upper. This upper receiver is crafted to meet exacting standards, delivering rugged reliability, consistent reliability, and easy installation to elevate any AR-15 build with enhanced control, reduced muzzle flip, and a clean, efficient execution of rounds in a variety of environments.