Aero Precision M4E1 .350 Legend Upper (16″ FDE) Features
This upper utilizes Aero Precision’s M4E1 threaded upper receiver, enhanced for both function and form with a billet-style appearance, laser-engraved T-marks, and a pre-installed forward assist and port door. The FDE ATLAS R-ONE handguard is slim, lightweight, and features a full Picatinny top rail, M-LOK compatibility, and QD sling sockets at the 3, 6, and 9 o’clock positions for versatile accessory mounting.
The 16-inch barrel, chambered in .350 Legend, is made from 4150 CrMoV steel, and features a DMR profile, M4 feed ramp extension, and carbine-length gas system with a .0785 gas port. Designed for precision and tested for durability, the barrel is HP and MPI inspected and ready for serious field use. This fully assembled upper does not include a BCG or charging handle, allowing for tailored customization.
Aero Precision M4E1 .350 Legend Upper (16″ FDE) Specifications
- Manufacturer: Aero Precision
- Model: M4E1 Assembled Upper
- Series: .350 Legend
- Caliber: .350 Legend
- Barrel Length: 16″
- 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
- Receiver: M4E1 Threaded Upper (Flat Dark Earth Finish)
- Handguard: ATLAS R-ONE (FDE, M-LOK, Full Top Rail, QD Sockets)
- Inside Diameter (Handguard): 1.3″
- Outside Diameter (Handguard): 1.5″
- Construction: Fully Assembled (No BCG or Charging Handle Included)
- Compatibility: Mil-Spec AR-15 Lower Receivers
| Barrel Length | 16 |
|---|---|
| Caliber | .350 Legend |
| Condition | New in Box |
| Finish Per Color | Flat Dark Earth |
| Manufacturer | Aero Precision |
| Manufacturer Part Number | APAR700715M101 |
| Model | M4E1 Assembled Upper |
| Type | Uppers |
| UPC | 840014617722 |
