Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Epc-9 9mm/40 S&W Carbine Complete Lower W/Moe Grip & No Stock - Epc-9 Carbine Complete Lower W/Moe 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 a custom

Ships Without

Stock or brace for configuration

Includes Magpul

MOE grip for improved ergonomics

Comes Lower

Lower parts kit, enhanced buffer

Threaded Bolt

Catch pin supports easier installation

$345.99
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SKU: 100049031

Overview

Built as a foundation for a custom AR9 setup, this complete lower receiver gives the builder a ready-to-use starting point without a stock or brace, allowing the final configuration to be chosen from the outset. It includes a Magpul MOE grip along with the lower parts kit, enhanced buffer tube, EPC 7.7oz buffer, M5 carbine buffer spring, and castle nut/end plate, with the components already installed. The EPC-9 lower also features a threaded bolt catch pin for easier installation and an integrated enlarged trigger guard. For hunters and shooters planning a 9mm or .40 S&W carbine build, it offers a practical, configurable base with the parts needed to move the project forward.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver provides a solid base

No Stock

Brace included, allowing the builder

Magpul Moe

Grip is included for improved

Includes Installed

Lower parts kit, buffer tube,

Threaded Bolt

Catch pin supports easier installation

Key Features

  • Complete EPC-9 lower receiver for a custom AR9 build.
  • Ships without a stock or brace for configuration flexibility.
  • Includes a Magpul MOE grip for improved ergonomics.
  • Comes with lower parts kit, enhanced buffer tube, buffer, spring, and castle nut/end plate.
  • Threaded bolt catch pin supports easier installation.
  • Integrated enlarged trigger guard is included.

Best Used For

  • Builders planning a custom AR9 setup and choosing their own stock or brace configuration.
  • Users wanting a complete lower with installed parts for a streamlined build start.
  • Shooters who prefer the included Magpul grip for improved hand placement over factory basics.
  • Anyone assembling an EPC-9 platform and wanting the lower receiver foundation ready to go.

Pros

  • Complete lower receiver provides a solid base for a custom AR9 build.
  • No stock or brace included, allowing the builder to choose the final setup.
  • Magpul MOE grip is included for improved ergonomics over a factory grip.
  • Includes installed lower parts kit, buffer tube, buffer, spring, castle nut, and end plate.
  • Threaded bolt catch pin supports easier installation.
  • Integrated enlarged trigger guard is built in for added clearance.

Considerations & Trade-offs

  • Sold as a complete lower without a stock or brace, so the final setup depends on the builder’s chosen configuration.
  • Designed as an EPC-9 lower for 9mm/.40 S&W AR-style builds, so it is intended for that platform rather than a general-purpose lower.
  • The included Magpul MOE grip and installed lower parts add convenience, but the package is still a lower receiver base rather than a fully finished firearm.
  • The enhanced buffer tube, EPC 7.7 oz buffer, and M5 carbine buffer spring are included and installed, which may limit how much of the lower you need to source separately but also ties the setup to the supplied configuration.

Suggested Comparisons

  • AR-9 complete lower receivers
  • 9mm carbine lower assemblies
  • custom AR pistol-caliber carbine build components
  • lower receiver parts and assemblies

Suggested Accessories

  • AR9 upper receiver
  • 9mm magazines
  • Carbine stock or brace
  • Lower receiver parts kit

Frequently Asked Questions

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

The included parts are the EPC-9 Lower Receiver, Magpul MOE 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 product is listed as a complete lower with no stock/brace, which gives the builder flexibility to choose their own configuration.

Is this lower intended for a custom AR9 build?

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

What lower receiver features are listed?

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

What brand makes this lower receiver?

It is made by Aero Precision.