Receiver PartsAero PrecisionSold by Brownells

Aero Precision

5.56x45mm Nato Assembled Upper Receiver For Ar-15 - 5.56x45 Nato Assembled Upper Receiver For Ar-15 Odg

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Ar-15 Assembled

Upper receiver from Aero Precision

Includes Port

Door and forward assist already

Machined From

7075-T6 forged aluminum

Precision Machined

To mil-spec M16/M4 specifications

M4 Feedramps

.250 takedown pin holes

$124.99
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SKU: 430112183

Overview

This assembled upper receiver is built for AR-15 owners who want a ready-to-install foundation with the port door and forward assist already in place. It is machined from 7075-T6 forged aluminum to mil-spec M16/M4 specifications and includes M4 feedramps, .250 takedown pin holes, and laser-engraved T-marks. Designed to work with standard AR15/M16 components, it pairs with Aero lower receivers for a straightforward fit in a compatible build. The anodized black finish keeps the presentation simple and practical for a serious rifle setup.

Why Hunters Choose the Aero Precision

Includes Port

Door and forward assist already

Machined From

7075-T6 forged aluminum for a

Precision Machined

To mil-spec M16/M4 specifications

M4 Feedramps

.250 takedown pin holes

Laser Engraved

T-marks support consistent optic and

Key Features

  • AR-15 assembled upper receiver from Aero Precision
  • Includes port door and forward assist already installed
  • Machined from 7075-T6 forged aluminum
  • Precision machined to mil-spec M16/M4 specifications
  • Features M4 feedramps and .250 takedown pin holes
  • Laser engraved T-marks for reference
  • Works with standard AR15/M16 components

Best Used For

  • AR-15 builders wanting a preassembled upper with port door and forward assist already installed
  • Users matching standard AR15/M16 components for a straightforward upper receiver setup
  • Aero Precision lower receiver owners seeking a compatible fit within the AR15 platform
  • Builders who want mil-spec M16/M4 specification machining and M4 feedramps
  • Shooters preferring a lightweight upper receiver at 8.35 ounces

Specifications

250 Takedown Pin Holestrue
Blade FinishAnodized Black
CompatibilityWorks with standard AR15/M16 components
Includes Forward Assisttrue
Includes Port Doortrue
Laser Engraved T Markstrue
M4 Feedrampstrue
MaterialMachined from 7075-T6 forged aluminum
PlatformAR15
Weight8.35 oz

Pros

  • Includes port door and forward assist already installed for a more complete upper receiver assembly.
  • Machined from 7075-T6 forged aluminum for a durable AR15 platform component.
  • Precision machined to mil-spec M16/M4 specifications.
  • Features M4 feedramps and .250 takedown pin holes.
  • Laser engraved T-marks support consistent optic and accessory placement.
  • Compatible with standard AR15/M16 components and Aero AR15 lower receivers.

Considerations & Trade-offs

  • This is an assembled upper receiver, so it includes the port door and forward assist already installed; that simplifies setup but leaves less room for custom part selection at the upper level.
  • Compatibility is listed for standard AR15/M16 components, so it is not a universal fit for every AR-pattern build or nonstandard setup.
  • The finish is specified as anodized black in the provided specs, which limits finish choice for buyers looking for a different appearance.
  • At 8.35 oz, the weight is fixed as listed and may matter for builders prioritizing a very specific upper-receiver weight profile.

Suggested Comparisons

  • AR-15 upper receiver assemblies
  • AR-15 lower receivers
  • AR-15 complete upper receivers
  • AR-15 build components

Suggested Accessories

  • AR-15 lower receiver
  • AR-15 compatible handguard
  • AR-15 charging handle
  • AR-15 magazine

Frequently Asked Questions

What comes installed on this assembled upper receiver?

It comes with the port door and forward assist already installed.

What platform is this upper receiver made for?

It is listed for the AR15 platform and is compatible with standard AR15/M16 components.

What material is the upper receiver made from?

The product is specified as machined from 7075-T6 forged aluminum.

Does this upper include M4 feedramps and T-marks?

Yes. The listed features include M4 feedramps and laser engraved T-marks.

What finish is listed for this upper receiver?

The specified finish is anodized black.