Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Epc-9 9mm/40 S&W Carbine Complete Lower W/Moe Grip & Moe Sl-S Sto - Epc-9 Carbine Complete Lower W/Moe Grip & Moe Sl-S 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-SA

Comes Lower

Lower parts kit, enhanced buffer

Parts Are

Installed for a ready-to-assemble lower

Threaded Bolt

Catch pin supports easier installation

$434.99
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: 100049035

Overview

Built as a complete lower receiver for a custom AR9 setup, this Aero Precision option comes assembled with a Magpul MOE grip and MOE SL-S carbine stock for a ready-to-use foundation. It includes the lower parts kit, enhanced buffer tube, EPC 7.7 oz buffer, M5 carbine buffer spring, and castle nut/end plate already installed, reducing the amount of assembly needed. The EPC-9 lower also features a threaded bolt catch pin for easier installation and an integrated enlarged trigger guard for added durability at the trigger area. It is a practical choice for shooters who want a streamlined starting point for a 9mm or .40 S&W carbine build.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver for an AR9 build

Includes Magpul

MOE grip and MOE SL-SA

Installed Lower

Parts kit, buffer tube, buffer,

Threaded Bolt

Catch pin supports easier installation

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-SA carbine stock
  • Comes with lower parts kit, enhanced buffer tube, buffer, spring, castle nut, and end plate
  • Parts are installed for a ready-to-assemble lower configuration
  • Threaded bolt catch pin supports easier installation
  • Integrated enlarged trigger guard adds a more rugged platform

Best Used For

  • AR9 builders wanting a complete lower with installed components for a custom 9mm or .40 S&W carbine.
  • Hunters or range shooters who prefer a ready-to-assemble lower receiver foundation over sourcing parts separately.
  • Users wanting Magpul MOE grip and MOE SL-S stock included in the lower package.
  • Builders who value easier installation features like a threaded bolt catch pin and enlarged trigger guard.

Pros

  • Complete lower receiver for an AR9 build platform
  • Includes Magpul MOE grip and MOE SL-SA carbine stock
  • Installed lower parts kit, buffer tube, buffer, spring, castle nut, and end plate
  • Threaded bolt catch pin supports easier installation
  • Integrated enlarged trigger guard adds a more rugged 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 to complete the rifle.
  • The included Magpul MOE grip and MOE SL-S carbine stock are already installed, which is convenient, but it also means the configuration is fixed unless you replace those parts.
  • It is listed for 9mm/.40 S&W use, so it is not a universal lower for every AR-style caliber setup.
  • The package includes an EPC 7.7 oz buffer and M5 carbine buffer spring; if your build calls for different tuning, those components may need to be changed.

Suggested Comparisons

  • AR9 complete lower receivers
  • Pistol-caliber carbine lower assemblies
  • AR platform lower receiver components
  • Magpul-equipped carbine stocks and grips

Suggested Accessories

  • Magazines
  • Sling
  • Cleaning kit
  • Storage case

Frequently Asked Questions

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

The included components listed are the EPC-9 Lower Receiver, Magpul MOE grip, Magpul MOE SL-SA carbine stock, Lower Parts Kit, Enhanced Buffer Tube, EPC 7.7oz Buffer, M5 Carbine Buffer Spring, and castle nut/end plate. The parts are installed.

Is this lower receiver ready for a custom AR9 build out of the box?

Yes. The product description identifies it as a complete lower receiver and says it is the perfect base for a custom AR9 build, with the listed parts already installed.

What features does the EPC-9 lower receiver have?

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

Does this complete lower come with a stock and grip?

Yes. It includes a Magpul MOE grip and a Magpul MOE SL-SA carbine stock.

Is this lower receiver intended for 9mm only?

The title lists it as "9mm/40 S&W" and the description identifies it as an EPC-9 complete lower receiver. No additional caliber compatibility details are provided in the source data.