Aero Precision APRH100615 Complete5.56x45mm NATO Black Nitride 8620 Steel AR-15AeroPrecision$158.46
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AeroPrecision
The Aero Precision AR-15 5.56x45mm NATO upper receiver assembly is a complete, ready-to-mount solution for builders looking to assemble a modern rifle platform without sourcing individual components. This black phosphate steel upper comes fully assembled—no gunsmithing or specialized tools required—making it an efficient choice whether you're building your first AR or adding to an existing collection. Aero Precision has built a reputation for quality machining and tight tolerances, and this upper reflects that same attention to detail.
Because it's a complete upper assembly, you're getting a matched, tested unit rather than piecing together a bolt carrier group, charging handle, and barrel separately. That means less guesswork about compatibility and more confidence that everything will function as intended. The 5.56x45mm NATO chambering is the standard for modern AR platforms, giving you broad ammunition availability and proven reliability across countless shooting applications—from training and sport to hunting and defensive use.
Drop this upper onto a compatible lower receiver, install your preferred optic or iron sights, and you're ready to run. Black phosphate steel offers solid corrosion resistance and a classic, subdued finish that works across any role. Whether you're setting up a range rifle, a hunting platform, or a versatile all-purpose build, this complete upper takes the assembly complexity off your plate.
| Brand | Aero Precision |
| Product Type | Complete AR-15 Upper Receiver Assembly |
| Caliber / Chambering | 5.56x45mm NATO |
| Material | Black Phosphate Steel |
| Configuration | Complete Assembly (ready to mount to lower receiver) |
Yes. This is a complete upper assembly from Aero Precision—all components are installed and tested. You simply mount it to a compatible AR-15 lower receiver.
This upper receiver is designed for standard AR-15 pattern lower receivers. Confirm your lower's compatibility with the 5.56x45mm NATO standard before assembly.
We have not been provided with a detailed contents list. Contact us directly if you need to confirm what components are part of this assembly.
AeroPrecision
The Aero Precision AR-15 5.56x45mm NATO upper receiver assembly is a complete, ready-to-mount solution for builders looking to assemble a modern rifle platform without sourcing individual components. This black phosphate steel upper comes fully assembled—no gunsmithing or specialized tools required—making it an efficient choice whether you're building your first AR or adding to an existing collection. Aero Precision has built a reputation for quality machining and tight tolerances, and this upper reflects that same attention to detail.
Because it's a complete upper assembly, you're getting a matched, tested unit rather than piecing together a bolt carrier group, charging handle, and barrel separately. That means less guesswork about compatibility and more confidence that everything will function as intended. The 5.56x45mm NATO chambering is the standard for modern AR platforms, giving you broad ammunition availability and proven reliability across countless shooting applications—from training and sport to hunting and defensive use.
Drop this upper onto a compatible lower receiver, install your preferred optic or iron sights, and you're ready to run. Black phosphate steel offers solid corrosion resistance and a classic, subdued finish that works across any role. Whether you're setting up a range rifle, a hunting platform, or a versatile all-purpose build, this complete upper takes the assembly complexity off your plate.
| Brand | Aero Precision |
| Product Type | Complete AR-15 Upper Receiver Assembly |
| Caliber / Chambering | 5.56x45mm NATO |
| Material | Black Phosphate Steel |
| Configuration | Complete Assembly (ready to mount to lower receiver) |
Yes. This is a complete upper assembly from Aero Precision—all components are installed and tested. You simply mount it to a compatible AR-15 lower receiver.
This upper receiver is designed for standard AR-15 pattern lower receivers. Confirm your lower's compatibility with the 5.56x45mm NATO standard before assembly.
We have not been provided with a detailed contents list. Contact us directly if you need to confirm what components are part of this assembly.
