Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Epc-9 9mm/40 S&W Carbine Complete Lower W/A2 Grip & No Stock - Epc-9 Carbine Complete Lower W/A2 Grip & No Stock Black

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

Complete Epc-9

Lower receiver for custom AR9

Ships Without

Stock or brace for configuration

Includes A2

Grip and lower parts kit

Enhanced Buffer

Tube, EPC 7.7oz buffer, and

Threaded Bolt

Catch pin supports easier installation

$359.99
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SKU: 100049030

Overview

Built as a foundation for a custom AR9 setup, this complete lower receiver gives the builder a ready-to-use starting point for a 9mm/.40 S&W carbine configuration. It arrives without a stock or brace, allowing the final setup to be chosen to match the intended role and preferred fit. The included grip and installed lower components provide a more complete package out of the box, while the integrated enlarged trigger guard and threaded bolt catch pin are practical details for assembly. For hunters and shooters who want a configurable lower without committing to a fixed rear-end setup, it offers a straightforward path into a tailored build.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver provides a ready foundation

No Stock

Brace included, allowing the builder

Includes Upgraded

Magpul MOE grip for improved

Comes Installed

Installed lower parts kit, buffer

Threaded Bolt

Catch pin is designed for

Key Features

  • Complete EPC-9 lower receiver for custom AR9 builds.
  • Ships without a stock or brace for configuration flexibility.
  • Includes A2 grip and lower parts kit installed.
  • Enhanced buffer tube, EPC 7.7oz buffer, and M5 carbine buffer spring included.
  • Threaded bolt catch pin supports easier installation.
  • Integrated enlarged trigger guard is built into the receiver.

Best Used For

  • Builders planning a custom AR9 configuration and wanting to choose their stock or brace later.
  • Hunters or range users assembling an EPC-9 platform with included lower parts already installed.
  • Users who prefer an upgraded grip and a complete lower receiver as a starting point.
  • Builders looking for a lower receiver with an enlarged trigger guard and threaded bolt catch pin.

Specifications

BufferEPC 7.7oz Buffer
Buffer SpringM5 Carbine Buffer Spring
Buffer TubeEnhanced Buffer Tube
Castle Nutend PlateIncluded
ConfigurationCarbine Complete Lower
GripA2 Grip
Integrated Enlarged Trigger GuardYes
Lower Parts KitIncluded
Lower ReceiverEPC-9 Lower Receiver
Platformcompatibility9mm/40 S&W
Stockbrace IncludedNo
Threaded Bolt Catch PinYes

Pros

  • Complete lower receiver provides a ready foundation for a custom AR9 build.
  • No stock or brace included, allowing the builder to choose the final configuration.
  • Includes an upgraded Magpul MOE grip for improved ergonomics.
  • Comes with installed lower parts kit, buffer tube, buffer, spring, and castle nut/end plate.
  • Threaded bolt catch pin is designed for easier installation.
  • Integrated enlarged trigger guard is included in the receiver design.

Considerations & Trade-offs

  • Sold as a complete lower without a stock or brace, so the final setup depends on the builder’s chosen configuration.
  • The included A2 grip is functional, but the description also references a Magpul MOE grip, so the exact grip specification should be verified before purchase.
  • This is a lower receiver assembly only; it is intended as the foundation for a custom AR9 build rather than a ready-to-use complete firearm.
  • The EPC-9 is described as a 9mm/40 S&W carbine lower, so compatibility should be matched carefully to the intended caliber and build components.

Suggested Comparisons

  • AR-9 complete lower receivers
  • AR-9 lower parts kits
  • AR-9 buffer tube assemblies
  • AR-9 complete builds

Suggested Accessories

  • Stock or brace assembly
  • AR-style sling
  • Magazines
  • Cleaning kit

Frequently Asked Questions

What comes included with the EPC-9 Complete Lower Receiver?

The listed included parts are the EPC-9 Lower Receiver, A2 Grip, Lower Parts Kit, Enhanced Buffer Tube, EPC 7.7oz Buffer, M5 Carbine Buffer Spring, and castle nut/end plate. The parts are installed.

Does this lower come with a stock or brace?

No. The description says it comes without a stock/brace, so the builder can choose the configuration they want.

Is this complete lower intended for a custom AR9 build?

Yes. The product description identifies it as a base for a custom AR9 build.

What receiver format is this compatible with?

The title and description identify it as an EPC-9 complete lower receiver for 9mm/.40 S&W carbine use. Beyond that, compatibility details are not provided in the source data.

What features are called out on the lower receiver itself?

The listed features are a threaded bolt catch pin for easy installation and an integrated enlarged trigger guard.