The Battle Arms Development Authority Elite 16" Upper Receiver 5.56 NATO is designed for optimal performance and versatility. This complete upper features a billet BAD556 7075-T6 aircraft grade aluminum receiver, equipped with integral ambidextrous controls for enhanced handling. The free-float handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions allows for easy customization, while a full-length Picatinny rail at the 12 o'clock position provides ample space for accessories. The 16" barrel is made from durable 4150 chrome-moly steel with a black nitride finish, ensuring long-lasting accuracy and reliability. Each barrel is individually head-spaced with a matching 9310 steel bolt and an 8620 black nitride carrier, resulting in superior performance and ease of maintenance. Ideal for AR-15 platform enthusiasts, this upper receiver is ready to take your shooting experience to the next level.