This Aero Precision complete upper assembly delivers classic A2 configuration in 5.56 NATO, built around a 20-inch government profile barrel.
- Caliber: 5.56 NATO / .223 Remington
- Type: Complete Upper Assembly
- Compatible Lower: Mil-spec AR-15
- Barrel Length: 20 inches
- Barrel Profile: Government A2
- Twist Rate: 1:7
- Material: 7075-T6 Aluminum
- Finish: Black Anodized
- Includes: Bolt Carrier Group, Charging Handle
- Installation: Requires mil-spec AR-15 lower receiver, basic assembly knowledge
