Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Ar-15 Upper Parts Kit

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

Includes Parts

Needed to assemble an AR15

Contains Forward

Assist assembly, spring, and roll

Includes Ejection

Port cover door and spring

Comes Ejection

An ejection port cover rod

Aero Precision

Upper parts kit for AR-15

$20.99
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SKU: 100019269

Overview

Built for assembling an AR15 upper receiver, this Aero Precision kit gathers the small components needed to complete that section of the build. It includes a forward assist assembly, spring, and roll pin, along with the ejection port cover door, rod with c-clip, and spring. For builders who want the necessary parts in one package, it offers a straightforward way to keep the upper assembly process organized.

Why Hunters Choose the Aero Precision

Includes Core

Parts needed to assemble an

Covers Both

Forward assist and ejection port

Supplied As

Spring, roll pin, rod, and

Made Aero

Precision for a straightforward parts

Simple, Focused

Package for upper receiver assembly

Key Features

  • Includes parts needed to assemble an AR15 upper receiver.
  • Contains a forward assist assembly, spring, and roll pin.
  • Includes an ejection port cover door and spring.
  • Comes with an ejection port cover rod with c-clip.
  • Aero Precision upper parts kit for AR-15 upper receiver assembly.

Best Used For

  • AR-15 builders assembling an upper receiver from compatible Aero Precision components
  • Owners replacing missing upper receiver parts during a bench build or repair
  • Shooters completing a parts order for a straightforward AR-15 upper assembly
  • DIY rifle builders who want the listed upper receiver components in one kit

Specifications

Ejection Port Cover DoorIncluded
Ejection Port Cover Rod With C ClipIncluded
Ejection Port Cover SpringIncluded
Forward Assist AssemblyIncluded
Forward Assist Roll PinIncluded
Forward Assist SpringIncluded

Pros

  • Includes the core parts needed to assemble an AR15 upper receiver.
  • Covers both forward assist and ejection port door components.
  • Supplied as a complete kit with spring, roll pin, rod, and c-clip.
  • Made by Aero Precision for a straightforward parts match.
  • Simple, focused package for upper receiver assembly work.

Considerations & Trade-offs

  • This is a parts kit for assembling an AR15 upper receiver, so it is not a complete upper and does not include the receiver itself or other major components.
  • The kit is limited to the listed forward assist and ejection port cover parts; any additional upper receiver hardware must be sourced separately.
  • Compatibility is implied by the product title and description, but no broader fitment details are provided beyond AR15 upper receiver assembly.
  • At this price point, it is a basic component kit rather than a bundled solution with extra accessories or installation tools.

Suggested Comparisons

  • AR-15 upper receiver assembly parts kit
  • AR-15 upper receiver components
  • AR-15 lower parts kit
  • AR-15 complete upper receiver

Suggested Accessories

  • AR-15 upper receiver
  • Forward assist assembly
  • Ejection port cover assembly
  • Upper receiver build tools

Frequently Asked Questions

What is included in this AR-15 upper parts kit?

The kit includes a forward assist assembly, forward assist spring, forward assist roll pin, ejection port cover door, ejection port cover rod with c-clip, and ejection port cover spring.

What is this kit intended for?

It is described as the parts needed to assemble an AR15 upper receiver.

Does this kit include a complete upper receiver?

No. The source data describes it as an upper parts kit, not a complete upper receiver.

Is this kit specific to Aero Precision?

Yes. The manufacturer listed is Aero Precision.

Are any material or performance specifications provided for these parts?

No. The provided data lists the included parts, but does not specify materials, dimensions, or performance details.