Receiver PartsAero PrecisionSold by Brownells

Aero Precision

Epc 9 Lower Receivers 9mm/40 S&W - Epc-9 Stripped Lower Receiver For Ar-15 Fde

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

Enhanced Forging

Billet-style aesthetics in a forged

Machined From

7075-T6 aluminum

Threaded Bolt

Catch pin supports easier installation

Integrated Enlarged

Trigger guard removes trigger guard

Threaded Takedown

Pin detent recess uses a

$189.99
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SKU: 100054499

Overview

Built for a pistol-caliber AR-15 style project, this stripped lower receiver is aimed at builders assembling a 9mm or .40 S&W setup. Its enhanced forging and 7075-T6 aluminum construction are paired with practical assembly features, including a threaded bolt catch pin, an integrated enlarged trigger guard, and a threaded takedown pin detent recess. The flared magazine well is intended to support smoother reloads, while the overall design offers a more refined look without moving away from a forged foundation. It is a straightforward choice for the home builder who wants a receiver with added convenience features for the build process.

Why Hunters Choose the Aero Precision

Machined From

7075-T6 aluminum for a durable

Threaded Bolt

Catch pin supports easier installation

Integrated Enlarged

Trigger guard eliminates fragile trigger

Threaded Takedown

Pin detent recess simplifies detent

Flared Magazine

Well adds a practical feature

Key Features

  • Enhanced forging for pistol caliber builds, with billet-style aesthetics in a forged package.
  • Machined from 7075-T6 aluminum.
  • Threaded bolt catch pin supports easier installation.
  • Integrated enlarged trigger guard removes trigger guard tabs.
  • Threaded takedown pin detent recess uses a single 4-40 set screw.
  • Flared magazine well.

Best Used For

  • At-home builders assembling a pistol-caliber AR-15 lower with simplified installation features
  • Shooters planning a 9mm or .40 S&W EPC-9 lower receiver build
  • Users who want an enhanced forged lower with billet-style aesthetics
  • Builders looking for a more rugged platform with an integrated enlarged trigger guard

Specifications

Blade FinishFDE
Caliber9mm/40 S&W
Flared Magazine WellYes
Integrated Enlarged Trigger GuardYes
Material7075-T6 Aluminum
PlatformAR-15
Threaded Bolt Catch PinYes
Threaded Takedown Pin Detent RecessYes
TypeStripped Lower Receiver

Pros

  • Machined from 7075-T6 aluminum for a durable lower receiver foundation.
  • Threaded bolt catch pin supports easier installation during assembly.
  • Integrated enlarged trigger guard eliminates fragile trigger guard tabs.
  • Threaded takedown pin detent recess simplifies detent and spring installation.
  • Flared magazine well adds a practical feature for pistol caliber builds.
  • Enhanced forging offers billet-style aesthetics in a forged package.

Considerations & Trade-offs

  • Designed for pistol-caliber builds, so it is not a general-purpose lower receiver for standard rifle calibers.
  • It is a stripped lower, which means additional components are still required to complete the build.
  • The enhanced forging and integrated features may simplify assembly, but they also make this a more specialized choice than a basic lower receiver.
  • The flared magazine well and enlarged trigger guard are built-in design choices, so the receiver’s layout is fixed rather than fully minimalist or traditional.

Suggested Comparisons

  • Pistol caliber carbine lower receiver
  • Stripped AR-15 lower receiver
  • Billet-style forged lower receiver
  • Lower receiver parts kit

Suggested Accessories

  • Lower receiver parts kit
  • Trigger guard
  • Magazine well funnel
  • Lower receiver vise block

Frequently Asked Questions

What type of build is the EPC-9 Lower Receiver intended for?

It is described as a lower receiver for a next pistol caliber build, and the title identifies it for 9mm/40 S&W use.

Is this a complete lower receiver or a stripped lower receiver?

The product title identifies it as a stripped lower receiver.

What material is the EPC-9 Lower Receiver machined from?

The source data states it is machined from 7075-T6 Aluminum.

What assembly-friendly features are listed on this lower receiver?

Listed features include a threaded bolt catch pin, an integrated enlarged trigger guard, a threaded takedown pin detent recess with a 4-40 set screw, and a flared magazine well.

Who makes this lower receiver?

The manufacturer listed in the source data is Aero Precision.