Description
The Battle Arms Development Authority Elite upper is a complete AR-15 upper receiver built around a billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and a free-float rail handguard. It is chambered for .223 Rem/5.56 NATO and fitted with a 4150 chrome-moly steel barrel finished in black nitride. The handguard features M-LOK attachment points at 3, 6, and 9 o’clock and a full-length Picatinny rail at 12 o’clock with the signature notch cut to match the upper receiver.
Key Specifications
- The receiver is machined from 7075-T6 billet aluminum for strength and rigidity.
- Chambering is .223 Rem/5.56 NATO as specified by the manufacturer.
- The barrel measures 10.5″ and is configured for compact carbine use.
- The barrel material and finish are 4150 chrome-moly steel, black nitride for wear resistance.
- The handguard is a free-float M-LOK design with attachment points at 3, 6, and 9 o’clock.
- The top features a full-length Picatinny rail with the manufacturer’s signature notch cut.
- Controls are integrated and ambidextrous to support either-handed operation.
- The bolt is a 9310 steel component matched and head-spaced to the barrel.
- The carrier is 8620 steel with a black nitride finish.
- Fitment is for the AR-15 platform as a complete upper assembly.
Purpose-built for compact AR-15 configurations, the Authority Elite upper balances rugged materials, precise head-spacing, and modern accessory compatibility to support a wide range of short-barrel and carbine applications. Its ambidextrous controls and M-LOK free-float handguard provide practical ergonomics and modularity for serious builders and shooters who prioritize durable construction and straightforward functionality.







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