Aero Precision M4E1 .350 Legend Upper (16″) Features
This upper includes the M4E1 threaded upper receiver, known for its billet-style aesthetic and refined structural enhancements. It features laser-engraved T-marks, M4 feed ramps, and comes pre-installed with a port door and forward assist. The paired ATLAS R-ONE handguard offers a lightweight and rigid platform with M-LOK slots, QD sling sockets, and a continuous Picatinny top rail for mounting optics and accessories.
The 16-inch .350 Legend barrel is made from 4150 CrMoV steel with a DMR profile and a carbine-length gas system, delivering reliable function and enhanced accuracy. It features a .750 gas block journal, M4 feed ramp extension, and has been HP and MPI tested for long-term performance. This upper does not include a BCG or charging handle, giving users flexibility for custom configurations.
Aero Precision M4E1 .350 Legend Upper (16″) 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 (Black Anodized)
- Handguard: ATLAS R-ONE (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 Lowers and Components
| Barrel Length | 16 |
|---|---|
| Caliber | .350 Legend |
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Aero Precision |
| Manufacturer Part Number | APAR700705M101 |
| Model | M4E1 Assembled Upper |
| Type | Uppers |
| UPC | 840014617708 |
