Battle Arms Development Authority Elite 16″ Upper 5.56 NATO

The Battle Arms Development Authority Elite upper is a complete AR-15 upper receiver assembly engineered for reliability and modularity. It features a billet BAD556 7075-T6 aircraft-grade aluminum receiver with integral ambidextrous controls and a free-float rail handguard. The handguard provides M-LOK attachment points at the 3, 6, and 9 o’clock positions, and a full-length Picatinny accessory rail at 12 o’clock that matches the receiver’s signature notch cut. The assembly is built around a 4150 chrome-moly steel black nitride barrel and matched, individually head-spaced bolt and carrier components for consistent function.

Key Specifications

• Designed to fit the AR-15 platform.
• Chambered for .223 REM/5.56 NATO.
• The barrel measures 16″ in length.
• The receiver is machined from 7075-T6 billet aluminum.
• The barrel is 4150 chrome-moly steel with black nitride.
• Includes a 9310 steel bolt and a 8620 black nitride carrier.
• Free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o’clock.
• Features a full-length Picatinny accessory rail at 12 o’clock with BAD’s notch cut.
• Includes Bad Rack-15 C Charging Handle and AR15/M16 Bolt Carrier Group as accessories.

Well-suited for builders and upgrades seeking durable components and ambidextrous ergonomics, the Authority Elite upper delivers a robust, serviceable foundation for range work, competition, or professional applications. Its combination of billet construction, matched bolt and carrier, and modular handguard makes it a practical choice for those who prioritize reliable, high-quality parts in an AR-15 upper assembly.