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
Frequently Asked Questions About This Product
Why buy Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16" Barrel from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16" Barrel?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16" Barrel available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: RIFLES, Uppers.
What tags or features does this product have?
Key features and tags for this product include: RIFLES, Uppers.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16" Barrel
All firearms, including the Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16" Barrel, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Aero Precision M4E1 Assembled Upper Flat Dark Earth .350 Legend 16" Barrel is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
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