Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Ar-15 Complete Lower Receiver Standard - Standard Complete Lower Receiver For Ar-15 Black

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

Ar-15 Complete

Lower receiver from Aero Precision

Ar15 Gen

2 lower receiver in anodized

M4 Stock

Included in black finish

A2 Grip

Included in black finish

Mil-spec Lower

Parts kit installed

$279.99
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SKU: 100054425

Overview

Built as a ready-to-use foundation for an AR-15 build, this complete lower receiver comes with the key components already installed to simplify assembly. It includes an AR15 Gen 2 lower receiver in anodized black, an M4 stock, an A2 grip, a mil-spec lower parts kit, a carbine receiver extension, and an AR15 carbine buffer and spring. For hunters and shooters putting together a custom rifle, it offers a straightforward starting point without the need to source each lower component separately. The black finish keeps the setup understated and practical for a field-minded build.

Why Hunters Choose the Aero Precision

Complete Lower

All listed parts already installed

Includes Ar15

Gen 2 lower receiver in

Comes M4

M4 stock and A2 grip

Mil-spec Lower

Parts kit for standard AR-15

Includes Carbine

Receiver extension, buffer, and spring

Key Features

  • AR-15 complete lower receiver from Aero Precision
  • AR15 Gen 2 lower receiver in anodized black
  • M4 stock included in black finish
  • A2 grip included in black finish
  • Mil-spec lower parts kit installed
  • Carbine receiver extension with buffer and spring included

Best Used For

  • Hunters building a custom AR-15 lower with all core parts already installed
  • Users wanting a straightforward starting point for a rifle setup
  • Shooters preferring a black, standard-configured lower receiver assembly
  • Those assembling an AR-15 around a carbine-length receiver extension setup

Specifications

Ar15 Gen 2 Lower ReceiverAnodized Black
Buffer And SpringAR15 Carbine Buffer and Spring
Complete Lower ReceiverStandard Complete Lower Receiver For Ar-15 Black
GripA2 Grip - Black
Lower Parts KitMil-spec Lower Parts Kit
Receiver ExtensionCarbine Receiver extension
StockM4 Stock - Black

Pros

  • Complete lower receiver arrives with all listed parts already installed.
  • Includes AR15 Gen 2 lower receiver in anodized black finish.
  • Comes with M4 stock and A2 grip in black.
  • Features a mil-spec lower parts kit for standard AR-15 compatibility.
  • Includes carbine receiver extension, buffer, and spring.
  • Useful base for building a custom AR-15 rifle.

Considerations & Trade-offs

  • This is a complete lower receiver assembly, so it includes the listed installed parts rather than a bare receiver.
  • The configuration is fixed as described, with an M4 stock, A2 grip, and carbine receiver extension already included.
  • It is presented as a base for a custom AR-15 rifle, so additional upper components would still be needed to complete a rifle.
  • The product details provided do not specify any upgrade options or alternate included components beyond the listed standard setup.

Suggested Comparisons

  • AR-15 stripped lower receiver
  • AR-15 complete upper receiver
  • AR-15 lower parts kit
  • AR-15 stock and buffer kit

Suggested Accessories

  • AR-15 upper receiver assembly
  • AR-15 magazine
  • AR-15 sling
  • AR-15 cleaning kit

Frequently Asked Questions

What comes installed on this complete lower receiver?

According to the product data, it comes with an AR15 Gen 2 lower receiver in anodized black, an M4 stock in black, an A2 grip in black, a mil-spec lower parts kit, a carbine receiver extension, and an AR15 carbine buffer and spring.

Is this a complete lower or do I need to add parts?

This is listed as a complete lower receiver, and the product description says all parts below come installed. The included components are shown in the product data.

What finish and color is the lower receiver?

The product data lists the receiver as anodized black.

What brand makes this lower receiver?

The manufacturer listed in the product data is Aero Precision.

Is this intended as a base for a custom AR-15 build?

Yes. The short and long descriptions both say it is a base for a custom AR-15 rifle.