AeroPrecision144602424
Aero Precision M4E1 Stripped - Upper Receiver Anodized Fde$154.99
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Availability: In Stock
Current Stock: Out of stock
The Aero M4E1 Threaded Upper Receiver in FDE is a precision-forged AR-15 upper built for shooters who want that billet-style look without the billet price tag. Machined from 7075-T6 aluminum with an angular profile that sets it apart from stock mil-spec designs, this upper threads directly onto any standard AR-15 barrel nut and plays nicely with all mil-spec components. Whether you're building a duty rifle, a precision shooter, or a general-purpose carbine, the M4E1 gives you a clean, modern platform that takes Aero's Enhanced and ATLAS Series handguards in perfect alignment.
The threaded design means you have full control over your barrel installation—no need for proprietary tools or workarounds. Port door and forward assist come pre-installed and ready to go, so assembly is streamlined. The enhanced forging profile and picatinny geometry blend seamlessly if you're running Aero's matching handguard lineup, creating a cohesive build without gaps or fitment surprises. M4 feedramps are cut to spec, and the .250 takedown pin holes keep everything mil-spec compatible from the ground up.
Finish in Magpul FDE Cerakote gives the upper a durable, attractive coating that matches popular modern furniture and stands up to field use. The M4E1 Threaded Upper pairs especially well with an M4E1 Lower Receiver to create a matched set that looks premium and performs reliably. This is solid mid-range upper receiver engineering—not over-engineered, not stripped-down, just purposeful AR-building material that works.
| Material | 7075-T6 Aluminum Forging |
| Barrel Nut Compatibility | Standard AR-15 Threaded |
| Finish | Magpul FDE Cerakote |
| Feedramp Profile | M4 |
| Takedown Pin Holes | .250 inch |
| Included Components | Port Door, Forward Assist, Threaded Forward Assist Roll Pin |
| Compatibility | Mil-spec AR-15, Aero Enhanced & ATLAS Handguards |
Yes. The threaded design accepts any standard AR-15 barrel nut, so you're not locked into proprietary hardware. This also means you can swap barrels easily in the field or at the range.
The picatinny profile is designed to blend seamlessly with Aero Precision's Enhanced and ATLAS Series handguards. It will work with other quality handguards that follow mil-spec geometry, though Aero's line will give you the best visual and functional integration.
Yes. Both the port door (dust cover) and forward assist are pre-installed, along with the threaded forward assist roll pin. You'll have a complete upper receiver ready to marry to your lower.
Fully. The M4E1 Threaded Upper works with all standard mil-spec AR-15 parts, including takedown pins, springs, and standard handguards. The .250 takedown pin holes confirm mil-spec dimensioning.
SKU: 126513920 • Width: 4in • Weight: 0.19oz
Availability: In Stock
Current Stock: Out of stock
The Aero M4E1 Threaded Upper Receiver in FDE is a precision-forged AR-15 upper built for shooters who want that billet-style look without the billet price tag. Machined from 7075-T6 aluminum with an angular profile that sets it apart from stock mil-spec designs, this upper threads directly onto any standard AR-15 barrel nut and plays nicely with all mil-spec components. Whether you're building a duty rifle, a precision shooter, or a general-purpose carbine, the M4E1 gives you a clean, modern platform that takes Aero's Enhanced and ATLAS Series handguards in perfect alignment.
The threaded design means you have full control over your barrel installation—no need for proprietary tools or workarounds. Port door and forward assist come pre-installed and ready to go, so assembly is streamlined. The enhanced forging profile and picatinny geometry blend seamlessly if you're running Aero's matching handguard lineup, creating a cohesive build without gaps or fitment surprises. M4 feedramps are cut to spec, and the .250 takedown pin holes keep everything mil-spec compatible from the ground up.
Finish in Magpul FDE Cerakote gives the upper a durable, attractive coating that matches popular modern furniture and stands up to field use. The M4E1 Threaded Upper pairs especially well with an M4E1 Lower Receiver to create a matched set that looks premium and performs reliably. This is solid mid-range upper receiver engineering—not over-engineered, not stripped-down, just purposeful AR-building material that works.
| Material | 7075-T6 Aluminum Forging |
| Barrel Nut Compatibility | Standard AR-15 Threaded |
| Finish | Magpul FDE Cerakote |
| Feedramp Profile | M4 |
| Takedown Pin Holes | .250 inch |
| Included Components | Port Door, Forward Assist, Threaded Forward Assist Roll Pin |
| Compatibility | Mil-spec AR-15, Aero Enhanced & ATLAS Handguards |
Yes. The threaded design accepts any standard AR-15 barrel nut, so you're not locked into proprietary hardware. This also means you can swap barrels easily in the field or at the range.
The picatinny profile is designed to blend seamlessly with Aero Precision's Enhanced and ATLAS Series handguards. It will work with other quality handguards that follow mil-spec geometry, though Aero's line will give you the best visual and functional integration.
Yes. Both the port door (dust cover) and forward assist are pre-installed, along with the threaded forward assist roll pin. You'll have a complete upper receiver ready to marry to your lower.
Fully. The M4E1 Threaded Upper works with all standard mil-spec AR-15 parts, including takedown pins, springs, and standard handguards. The .250 takedown pin holes confirm mil-spec dimensioning.
SKU: 126513920 • Width: 4in • Weight: 0.19oz