AeroPrecision152828620
Aero Precision M4E1 Stripped - Upper Receiver Anodized Black$134.99
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Availability: In Stock
Current Stock: Out of stock
The Aero Precision M4E1 Stripped Upper Receiver in Magpul FDE is a modern take on the standard AR-15 upper receiver, built for builders who want a refined aesthetic without the premium price tag of a fully billet option. Forged from 7075-T6 aluminum and precision-machined to spec, this upper receiver combines the angular, enhanced profile you'd expect from a higher-end receiver with the compatibility and value of a stripped build component. It threads to accept a standard AR-15 barrel nut, making it straightforward to pair with your choice of barrel and handguard.
The M4E1's angular machined design and billet-inspired profile set it apart visually from mil-spec flat-top receivers, while the picatinny rail profile works seamlessly with Aero's Enhanced and ATLAS Series handguards for a cohesive build. M4 feedramps are cut and ready to go. The FDE Magpul Cerakote finish is durable and looks right at home on modern tactical or hunting builds. This is a stripped upper—no port door, forward assist, or takedown pin included—so you're starting with the core receiver and building from there.
Whether you're assembling your first AR-15 or your tenth, the M4E1 upper receiver gives you a quality forging and tight tolerances without forcing you into a fully finished upper assembly. Pair it with an M4E1 lower receiver for a complete receiver set that punches above its weight.
| Brand | Aero Precision |
| Product Type | AR-15 Upper Receiver (Stripped) |
| Material | 7075-T6 Aluminum |
| Finish | Magpul FDE Cerakote |
| Barrel Nut Type | Standard AR-15 Threaded |
| Feedramp Style | M4 |
| Takedown Pin Holes | .250 |
| What's Included | Threaded forward assist roll pin; Receiver only (no port door or forward assist) |
Yes. The M4E1 upper is threaded to accept standard AR-15 barrel nuts, so it's compatible with any mil-spec barrel. The picatinny rail profile pairs seamlessly with Aero's Enhanced and ATLAS Series handguards, and works with other mil-spec handguards as well.
The stripped upper receiver and a threaded forward assist roll pin. You'll need to source a port door and forward assist separately if you want them, along with a barrel, barrel nut, and handguard to complete your build.
The M4E1 features an enhanced angular machined profile and forging that gives it a billet-style look and feel, while maintaining full compatibility with standard mil-spec components. It's a refined step up in aesthetics and fit without the full billet price.
Yes. The M4E1 upper and M4E1 lower are designed to work together as a complete receiver set, giving you a cohesive billet-inspired look for your build.
SKU: 144602424 • Width: 3.4in • Height: 2.7in • Depth: 8.75in • Weight: 0.6oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision M4E1 Stripped Upper Receiver in Magpul FDE is a modern take on the standard AR-15 upper receiver, built for builders who want a refined aesthetic without the premium price tag of a fully billet option. Forged from 7075-T6 aluminum and precision-machined to spec, this upper receiver combines the angular, enhanced profile you'd expect from a higher-end receiver with the compatibility and value of a stripped build component. It threads to accept a standard AR-15 barrel nut, making it straightforward to pair with your choice of barrel and handguard.
The M4E1's angular machined design and billet-inspired profile set it apart visually from mil-spec flat-top receivers, while the picatinny rail profile works seamlessly with Aero's Enhanced and ATLAS Series handguards for a cohesive build. M4 feedramps are cut and ready to go. The FDE Magpul Cerakote finish is durable and looks right at home on modern tactical or hunting builds. This is a stripped upper—no port door, forward assist, or takedown pin included—so you're starting with the core receiver and building from there.
Whether you're assembling your first AR-15 or your tenth, the M4E1 upper receiver gives you a quality forging and tight tolerances without forcing you into a fully finished upper assembly. Pair it with an M4E1 lower receiver for a complete receiver set that punches above its weight.
| Brand | Aero Precision |
| Product Type | AR-15 Upper Receiver (Stripped) |
| Material | 7075-T6 Aluminum |
| Finish | Magpul FDE Cerakote |
| Barrel Nut Type | Standard AR-15 Threaded |
| Feedramp Style | M4 |
| Takedown Pin Holes | .250 |
| What's Included | Threaded forward assist roll pin; Receiver only (no port door or forward assist) |
Yes. The M4E1 upper is threaded to accept standard AR-15 barrel nuts, so it's compatible with any mil-spec barrel. The picatinny rail profile pairs seamlessly with Aero's Enhanced and ATLAS Series handguards, and works with other mil-spec handguards as well.
The stripped upper receiver and a threaded forward assist roll pin. You'll need to source a port door and forward assist separately if you want them, along with a barrel, barrel nut, and handguard to complete your build.
The M4E1 features an enhanced angular machined profile and forging that gives it a billet-style look and feel, while maintaining full compatibility with standard mil-spec components. It's a refined step up in aesthetics and fit without the full billet price.
Yes. The M4E1 upper and M4E1 lower are designed to work together as a complete receiver set, giving you a cohesive billet-inspired look for your build.
SKU: 144602424 • Width: 3.4in • Height: 2.7in • Depth: 8.75in • Weight: 0.6oz