Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Ar-15 M16a4 Complete Lower Clone - M16a4 Clone Complete Lower Receiver For Ar-15 Black

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

Complete M16a4

Clone lower receiver for AR-15

Includes Standard

A2 stock and standard A2

Lower Parts

Kit, receiver extension, and rifle

Custom Aero

Precision logo engraving on AR15

Markings Include

Property of U.S.A., MOD M16A4,

$344.99
View on Brownells

You'll be taken to Brownells to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: 430103912

Overview

Built for an M16A4-style clone build, this complete lower receiver comes assembled with the lower parts kit, receiver extension, rifle buffer kit, standard A2 stock, and standard A2 grip already installed. The Aero Precision Gen 2 lower includes custom engraving and M16A4-style markings, including Property of U.S.A., MOD M16A4, CAL. 5.56MM, serial number designation, and Safe/Semi/Burst selector markings. It is aimed at builders who want a ready-to-use lower with the correct visual details for a clone project. The upper tension screw adds a way to fine tune fit between the upper and lower.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver assembly includes lower parts

M16a4 Clone-focused

Markings support a more authentic

Custom Aero

Precision logo and serial number

Standard A2

Stock and A2 grip are

Upper Tension

Screw lets users fine tune

Key Features

  • Complete M16A4 clone lower receiver for AR-15 builds
  • Includes standard A2 stock and standard A2 grip
  • Lower parts kit, receiver extension, and rifle buffer kit are installed
  • Custom Aero Precision logo engraving on AR15 Gen 2 lower receiver
  • Markings include Property of U.S.A., MOD M16A4, and CAL. 5.56MM
  • Safe/Semi/Burst safety selector markings and serial number designation
  • Upper tension screw allows fine-tuning upper fit

Best Used For

  • M16A4 clone builders wanting a complete lower with matching markings and installed components
  • Collectors seeking a visually accurate lower receiver for a rifle display or clone project
  • Users who want a ready-to-assemble lower with A2 stock, A2 grip, and rifle buffer kit included
  • Shooters fine-tuning upper-to-lower fit with the Gen 2 upper tension screw feature

Specifications

ColorBlack
Complete Lower ReceiverYes
Custom Aero Precision LogoYes
Lower Parts KitIncluded
Lower Receiver TypeAR15 Gen 2 Lower Receiver
M16a4 Lower ReceiverIncluded
MarkingsProperty of U.S.A., MOD M16A4, CAL. 5.56MM
Receiver ExtensionIncluded
Rifle Buffer KitIncluded
Safety Selector MarkingsSafe/Semi/Burst
Serial Number DesignationYes
Standard A2 GripIncluded
Standard A2 StockIncluded
Upper Tension ScrewIncluded
Upper Tension Screw FunctionAllows users to fine tune the fit of the upper

Pros

  • Complete lower receiver assembly includes lower parts kit, receiver extension, and rifle buffer kit installed.
  • M16A4 clone-focused markings support a more authentic build presentation.
  • Custom Aero Precision logo and serial number designation add distinctive receiver detailing.
  • Standard A2 stock and A2 grip are included for a traditional rifle setup.
  • Upper tension screw lets users fine tune the fit of the upper receiver.

Considerations & Trade-offs

  • Built around an M16A4 clone configuration, so it is purpose-specific rather than a general-purpose lower for varied AR builds.
  • The included A2 stock and A2 grip are standard components, which may not suit users looking for adjustable or more customized ergonomics.
  • Safe/Semi/Burst selector markings are part of the clone styling, but the listing does not state burst-fire capability or any special fire-control configuration beyond the installed parts.
  • The upper tension screw allows fine-tuning upper fit, but that also means final fit may require user adjustment rather than being fully set-and-forget.

Suggested Comparisons

  • Complete lower receiver assemblies
  • M16A4 clone build components
  • AR-15 lower receiver parts kits
  • Fixed-stock rifle lower setups

Suggested Accessories

  • AR-15 upper receiver
  • Magazines
  • Sling
  • Cleaning kit

Frequently Asked Questions

What comes included with this complete lower receiver?

The listed contents are the M16A4 lower receiver, standard A2 stock, standard A2 grip, lower parts kit, receiver extension, and rifle buffer kit. The description says these parts are installed.

Is this intended for an M16A4 clone build?

Yes. The product description says it is the perfect complete lower for an M16A4 clone build.

What markings are on the lower receiver?

The listed markings include the Aero Precision logo, "Property of U.S.A.", "MOD M16A4", "CAL. 5.56MM", serial number designation, and Safe/Semi/Burst safety selector markings.

Does this lower receiver have any feature for fitting the upper?

Yes. The Gen 2 lower receiver includes an upper tension screw, which the description says allows users to fine tune the fit of the upper.

Who is the manufacturer?

The manufacturer listed in the product data is Aero Precision.