Battle Arms Development Authority Elite 16in Upper | 5.56

The Battle Arms Development Authority Elite upper receiver is a billet BAD556 7075-T6 aluminum assembly built with integral ambidextrous controls and a free-float rail handguard featuring M-LOK attachment points. A full-length Picatinny top rail with the manufacturer’s signature notch matches the upper receiver for consistent accessory alignment. The barrel is a 4150 chrome-moly steel, black nitride finished, and the assembly is head-spaced to match the included 9310 steel bolt and 8620 black nitride carrier.

This complete AR-15 upper is appropriate for precision range work and competition shooting where consistent component fit and robust controls matter. It also suits general range training and equipment upgrades for users seeking ambidextrous operation and modular accessory options.

Product Specifications

• The manufacturer is Battle Arms Development.
• The model is Authority Elite.
• The caliber is listed as .223 REM/5.56 NATO.
• The fit is specified as AR-15.
• The color is Black.
• The receiver is machined from BILLET BAD556 7075-T6 aircraft grade aluminum.
• The handguard is a free-float rail with M-LOK attachment points at 3, 6, and 9 o’clock.
• The top rail is a full-length Picatinny with the manufacturer’s signature notch.
• The barrel steel is 4150 chrome-moly steel with a black nitride finish.
• The barrel length is 16″.
• The bolt is made from 9310 steel.
• The carrier is 8620 steel with a black nitride finish.
• Included accessories are a Bad Rack-15 C charging handle and AR15/M16 Bolt Carrier Group.
• The product type is Complete Upper Receiver.
• The UPC is 810033786082.

The Authority Elite upper pairs billet receiver construction with hardened, nitride-finished components to provide consistent fit and ease of maintenance. Its ambidextrous controls and modular M-LOK handguard make it practical for shooters who prioritize ergonomic operation and versatile accessory mounting. This upper is a straightforward way to upgrade an AR-15 platform with quality materials and attention to component compatibility.