Aero Precision M4E1 .350 Legend Upper (Black) Features
This fully assembled upper features Aero’s enhanced M4E1 threaded upper receiver, combining billet styling with rugged mil-spec compatibility. It includes a forward assist, port door, and laser-engraved T-marks. The ATLAS R-ONE M-LOK handguard provides a lightweight profile, a full-length Picatinny rail, and multiple QD sling sockets for optimal customization and control.
The 20-inch DMR-profile barrel is chambered in .350 Legend, constructed from 4150 CrMoV steel, and features M4 feed ramps, a carbine-length gas system, and a standard A2 flash hider. This upper comes ready for your complete lower and is compatible with most mil-spec AR-15 components. Bolt carrier group and charging handle are not included.
Aero Precision M4E1 .350 Legend Upper (Black) Specifications
- Manufacturer: Aero Precision
- Model: M4E1 Assembled Upper
- Series: .350 Legend
- Caliber: .350 Legend
- Barrel Length: 20″
- Barrel Material: 4150 Chrome Moly Vanadium (CrMoV)
- Barrel Profile: DMR
- Gas System: Carbine-Length
- Gas Block Journal: .750
- Gas Port Size: .0785
- Twist Rate: 1:16
- Feed Ramps: M4
- Flash Hider: A2 Style (9mm)
- Receiver: M4E1 Threaded Upper (Black Anodized Finish)
- Handguard: ATLAS R-ONE (Full Picatinny, M-LOK, QD Sockets)
- Inside Diameter: 1.3″
- Outside Diameter: 1.5″
- Construction: Assembled (No BCG or Charging Handle)
- Compatibility: Mil-Spec AR-15 Lower Receivers
| Barrel Length | 20 |
|---|---|
| Caliber | .350 Legend |
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Aero Precision |
| Manufacturer Part Number | APAR700106M100 |
| Model | M4E1 Assembled Upper |
| Type | Uppers |
| UPC | 840014617692 |
