



Product Description
The Battle Arms Development Authority Elite complete upper receiver is built around a billet BAD556 7075-T6 aircraft-grade aluminum receiver with integral ambidextrous controls for confident, user-friendly operation. A free-float handguard with M-LOK attachment points at the 3, 6, and 9 o’clock positions provides flexible accessory mounting, while the full-length Picatinny top rail includes Battle Arms’ signature notch cut for a clean, matched look. The 16-inch 4150 chrome-moly steel barrel features a black nitride treatment to enhance durability and maintain accuracy. For reliability and simplified maintenance, the barrel is individually headspaced to a matching 9310 steel bolt and an 8620 black nitride carrier, and this upper includes the Bad Rack-15 C ambidextrous charging handle and an AR-15/M16 bolt carrier group.
Product Highlights
- Billet BAD556 upper receiver made from 7075-T6 aircraft-grade aluminum with integral ambidextrous controls
- 16-inch 4150 chrome-moly steel barrel with black nitride finish for durability and accuracy
- Free-float M-LOK handguard with attachment points at 3, 6, and 9 o’clock plus full-length Picatinny top rail
- Individually headspaced 9310 steel bolt matched to an 8620 black nitride carrier for reliable cycling and easier cleaning
- Includes Bad Rack-15 C ambidextrous charging handle and AR-15/M16 bolt carrier group
Specs
- Brand: Battle Arms Development
- Model: Authority Elite
- Type: Complete Upper Receiver
- Platform Fit: AR-15
- Caliber: 5.56 NATO / 5.56x45mm
- Barrel Length: 16 in
- Barrel Material: 4150 chrome-moly steel
- Barrel Finish: Black nitride
- Receiver Material: 7075-T6 aircraft-grade aluminum
- Handguard: Free-float M-LOK
- Top Rail: Full-length Picatinny
- Charging Handle: Bad Rack-15 C ambidextrous (included)
- Bolt Carrier Group: AR-15/M16 (included); 9310 steel bolt, 8620 carrier; black nitride finish
- Color/Finish: Black anodized
- Manufacturer Part Number: BAD-AUTH-UR16B-Y-15C
- UPC: 810033786082
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