Aero Precision M5 .308 Upper Receiver - Black Anodized, Optic Ready
The Aero Precision M5 .308 Upper Receiver - Black Anodized, Optic Ready is a .308 Win parts from Aero Precision. It is available from 1 vendor at $178.99.

Product Information
Name: Aero Precision M5 .308 Upper Receiver - Black Anodized, Optic Ready
Brand: Aero Precision
Category: Parts
Caliber: .308 Win
UPC: 815421020731
SKU: UCEM4FVDH
Description
The Aero Precision M5 Assembled Upper is a semi-complete upper receiver for the AR-10 / M5 platform, chambered in .308 Winchester. The receiver is machined from 7075-T6 aluminum with a black hard coat anodized finish, and it ships ready to accept optics with no sights installed.
Key Specifications
- Caliber: .308 Win
- Condition: New in Box
- Finish Per Color: Black Hard Coat Anodized
- Manufacturer: Aero Precision
- Manufacturer Part Number: APAR308503AC
- Model: M5 Assembled Upper
- Type: Uppers (Semi-complete)
- UPC: 815421020731
- Receiver Material: 7075-T6 Aluminum
- Weight: 14 oz
Detailed Features
The 7075-T6 aluminum provides a favorable strength-to-weight ratio -- at 14 oz the upper is light for the platform without compromising structural integrity. The black hard coat anodize is a standard mil-spec finish that resists corrosion and wear. The optic-ready design means the top rail is clear for direct optic mounting without needing to remove factory sights first.
The M5 upper is compatible with M5 lower receivers and .308 bolt carrier groups, following the Aero Precision M5 platform dimensions.
Complete Specifications
| Caliber | .308 Win |
| Model | M5 Assembled Upper |
| Magazines included | 0 |
| Weight | 14 oz |
| Color | Black |
| Sights | Optic Ready |
Frequently Asked Questions
What caliber is the M5 Assembled Upper?
The M5 Assembled Upper is chambered in .308 Winchester.
Who makes the M5 Assembled Upper?
Aero Precision makes the M5 Assembled Upper.
What type of part is the M5 Assembled Upper?
It is a semi-complete upper receiver in the Parts category, built for the AR-10 / M5 platform. It is machined from 7075-T6 aluminum with a black hard coat anodized finish.
Is the M5 Assembled Upper optic-ready?
Yes. It ships with no sights installed, so the top rail is clear for direct optic mounting.
How much does the M5 Assembled Upper weigh?
It weighs 14 oz.
Where can I buy the M5 Assembled Upper?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The M5 upper is one of the more commonly discussed .308 upper receivers for builder projects, and most of the conversation is positive.
Build quality is the consistent thread. The fit and finish on Aero Precision receivers are generally well-regarded, and the M5 upper mates to M5 lowers with minimal play.
Installation gets mentioned frequently as a positive. The upper drops onto compatible lowers without requiring fitting or modification, which builders appreciate.
Accuracy and consistency are well-reported once the rifle is assembled with matched components. Hunters and precision shooters both find the .308 platform performs reliably when components are quality throughout.
Price comes up as the only substantive hesitation. Some buyers note it costs more than off-brand alternatives, though the counterpoint in most discussions is that Aero's tolerances and finish justify the difference.
Where to Buy - 1 Offers Available
Price Range: $178.99 - $178.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Grabagun Com | $178.99 | New | Buy Now |















