Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Epc-9 9mm/40 S&W Carbine Complete Lower W/Moe Grip & Moe-Sl Stock - Epc-9 Carbine Complete Lower W/Moe Grip & Moe Sl Stock Blk

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

Aero Precision

EPC-9 complete lower receiver for

Includes Magpul

MOE grip and MOE SL

Comes Lower

Lower parts kit, enhanced buffer

Castle Nut

End plate are included and

Threaded Bolt

Catch pin is designed for

$419.99
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SKU: 100049034

Overview

Built as a complete lower receiver for an AR9-style build, this Aero Precision setup is aimed at shooters who want a ready-to-assemble foundation without sourcing each part separately. It comes configured with a Magpul MOE grip and MOE SL carbine stock, along with the lower parts kit, enhanced buffer tube, EPC 7.7 oz buffer, M5 carbine buffer spring, and castle nut/end plate already installed. The EPC-9 lower receiver also includes a threaded bolt catch pin for easier installation and an integrated enlarged trigger guard for added durability at the trigger area. For hunters and range users building around 9mm or .40 S&W, it offers a practical starting point with a straightforward, purpose-built layout.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver provides a ready base

Includes Magpul

MOE grip and MOE SL

Comes Lower

Lower parts kit, enhanced buffer

Threaded Bolt

Catch pin is designed for

Integrated Enlarged

Trigger guard adds a more

Key Features

  • Aero Precision EPC-9 complete lower receiver for a custom AR9 build.
  • Includes Magpul MOE grip and MOE SL carbine stock installed.
  • Comes with lower parts kit, enhanced buffer tube, EPC 7.7oz buffer, and M5 carbine buffer spring.
  • Castle nut and end plate are included and installed.
  • Threaded bolt catch pin is designed for easier installation.
  • Integrated enlarged trigger guard helps avoid broken trigger guard tabs.

Best Used For

  • Builders planning a custom AR9 lower with included lower parts and buffer components
  • Users wanting a complete EPC-9 lower receiver ready for a 9mm or .40 S&W carbine setup
  • Hunters or shooters who prefer a Magpul grip and carbine stock already installed
  • Those seeking an enlarged trigger guard and threaded bolt catch pin for easier assembly

Specifications

BufferEPC 7.7oz Buffer
Buffer SpringM5 Carbine Buffer Spring
Buffer TubeEnhanced Buffer Tube
Caliber9mm/40 S&W
Castle Nutend PlateIncluded
GripMagpul MOE Grip
Installation StatusInstalled
Integrated Enlarged Trigger GuardYes
Lower Parts KitIncluded
PlatformAR9
Product TypeComplete Lower Receiver
StockMagpul MOE SL Carbine Stock
Threaded Bolt Catch PinYes

Pros

  • Complete lower receiver provides a ready base for a custom AR9 build.
  • Includes Magpul MOE grip and MOE SL carbine stock already installed.
  • Comes with lower parts kit, enhanced buffer tube, buffer, spring, and hardware.
  • Threaded bolt catch pin is designed for easier installation.
  • Integrated enlarged trigger guard adds a more rugged lower receiver platform.

Considerations & Trade-offs

  • Designed as a complete lower for an AR9 build, so it is a lower-only component and still requires the matching upper and other build parts.
  • The included Magpul MOE grip and MOE SL carbine stock are already installed, which simplifies setup but limits immediate customization of those interface points.
  • The EPC-9 is listed for 9mm/.40 S&W use, so it is purpose-built for that platform rather than a general-purpose lower for other calibers.
  • The package includes an EPC 7.7oz buffer and M5 carbine buffer spring, which is convenient for compatibility but means those components are fixed as supplied.

Suggested Comparisons

  • AR-9 complete lower receivers
  • 9mm carbine lower assemblies
  • AR pistol caliber carbine components
  • Magpul-stocked lower receiver setups

Suggested Accessories

  • AR-9 upper receiver
  • 9mm magazines
  • Buffer spring
  • Lower receiver parts kit

Frequently Asked Questions

What is included with the EPC-9 complete lower receiver?

The package includes the EPC-9 lower receiver, Magpul MOE grip, Magpul MOE SL carbine stock, lower parts kit, enhanced buffer tube, EPC 7.7 oz buffer, M5 carbine buffer spring, and castle nut/end plate. The listed parts are installed.

Is this complete lower intended for a custom AR9 build?

Yes. The product description identifies it as a complete lower receiver and says it is the perfect base for a custom AR9 build.

What caliber platforms is this lower listed for?

The title lists it for 9mm and .40 S&W carbine use.

What lower receiver features are specifically mentioned?

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

Does the product description provide detailed compatibility or performance information beyond AR9 use?

No. The provided data does not include additional compatibility details, performance claims, or technical specifications beyond what is listed in the title and description.