Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Ar-15 Pistol Lowers Complete W/ Brace - Ar-15 Pistol Complete Lower W/ A2 Grip & Sba3 Brace Blk

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

Aero Precision

AR-15 complete lower receiver for

Includes Ar-15

Gen 2 lower receiver

Upgraded Sb

An SB Tactical SBA3 stabilizing

Brace Is

Adjustable and ATF compliant

Integral Qd

Sling sockets

$305.99
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SKU: 100054433

Overview

Built as a complete lower for an AR pistol setup, this Aero Precision package gives hunters and shooters a ready foundation for a compact build. It combines an AR-15 Gen 2 lower receiver with an SB Tactical SBA3 stabilizing brace, along with a lower parts kit, carbine receiver extension, and carbine buffer and spring. The included A2 grip option keeps the setup straightforward, while the adjustable brace adds sling attachment points and added stability for supported use. It is a practical choice for a builder who wants a complete lower rather than assembling each component separately.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver assembly provides a ready

Includes Ar-15

Gen 2 lower receiver from

Equipped Sb

An SB Tactical SBA3 adjustable

Brace Includes

Integral QD sling sockets for

Package Includes

Lower parts kit, carbine receiver

Key Features

  • Aero Precision AR-15 complete lower receiver for AR pistol builds
  • Includes an AR-15 Gen 2 lower receiver
  • Upgraded with an SB Tactical SBA3 stabilizing brace
  • Brace is adjustable and ATF compliant
  • Provides integral QD sling sockets
  • Includes lower parts kit, carbine receiver extension, and carbine buffer and spring

Best Used For

  • AR pistol builders wanting a complete lower with brace included for a straightforward starting point
  • Users who prefer an adjustable stabilizing brace with integral QD sling sockets
  • Hunters assembling a compact AR pistol setup with included lower parts kit and receiver extension
  • Buyers choosing between A2 Grip or MOE Grip options for their preferred control feel
  • Aero Precision customers seeking a complete lower receiver package for an AR-15 pistol build

Specifications

A2 GripIncluded
Adjustable BraceYes
Ar 15 Carbine Buffer And SpringIncluded
Ar 15 Gen 2 Lower ReceiverIncluded
Atf CompliantYes
Carbine Receiver ExtensionIncluded
Lower Parts KitIncluded
Moe GripAvailable
Qd Sling SocketsIncluded
Sba3 BraceIncluded

Pros

  • Complete lower receiver assembly provides a ready starting point for an AR pistol build.
  • Includes an AR-15 Gen 2 lower receiver from Aero Precision.
  • Equipped with an SB Tactical SBA3 adjustable stabilizing brace.
  • Brace includes integral QD sling sockets for sling attachment options.
  • Package includes lower parts kit, carbine receiver extension, buffer, and spring.
  • Offered with either an A2 grip or MOE grip option.

Considerations & Trade-offs

  • This is a complete lower for an AR pistol build, so it is not a standalone firearm and requires the appropriate upper and other components to be usable as intended.
  • The included SBA3 brace is adjustable, but the product is still configured around a pistol setup rather than a traditional stock-equipped rifle lower.
  • Grip options are listed as A2 Grip or MOE Grip, so the exact grip configuration should be confirmed before purchase.
  • The package includes the lower parts kit, carbine receiver extension, and AR-15 carbine buffer and spring, which simplifies the build but leaves less room for customizing those components separately.

Suggested Comparisons

  • AR-15 pistol lower receiver assemblies
  • AR-15 lower receivers
  • Pistol stabilizing braces
  • AR-15 lower parts kits

Suggested Accessories

  • AR-15 pistol brace
  • QD sling
  • Carbine buffer and spring

Frequently Asked Questions

What is included with this complete lower receiver assembly?

The source data lists an AR-15 Gen 2 lower receiver, an A2 grip or MOE grip option, an SB Tactical SBA3 stabilizing brace, a lower parts kit, a carbine receiver extension, and an AR-15 carbine buffer and spring.

Is the brace adjustable?

Yes. The SB Tactical SBA3 is described as an adjustable ATF-compliant pistol stabilizing brace.

Does this lower come ready for an AR pistol build?

Yes. The product is described as a complete lower receiver and as a starting place for an AR pistol build.

Does the SBA3 brace have sling attachment points?

Yes. The source states that the SBA3 provides integral QD sling sockets.

Which grip is included with this product?

The source says it is available with either an A2 grip or a MOE grip, but it does not clearly specify which grip is included in this exact listing.