Receiver PartsAero PrecisionSold by Brownells

Aero Precision

M4e1 Complete Lower Receiver W/Moe Sl Grip & Sl-S Carbine Stock - M4e1 Comp Lower W/Moe Sl Grip /Sl-S Carbine Stk Blk For Ar15

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

Complete Ar15

Lower receiver assembly for a

Includes M4e1

Stripped lower receiver, lower parts

Upgraded Moe

MOE SL grip and MOE

Ar15 Carbine

Buffer and spring are included

Custom Designed

Enhanced forging machined from 7075-T6

$312.99
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SKU: 100049024

Overview

Built as a complete foundation for an AR15 custom build, this lower receiver arrives with the lower parts kit, carbine receiver extension, buffer and spring already installed. It also includes a MOE SL Grip and MOE SL-S Carbine Stock, giving the rifle a ready-to-use setup without requiring separate parts selection for those components. The M4E1 design is presented as an enhanced forging with billet-style aesthetics, making it a practical choice for hunters and shooters who want a streamlined starting point for a carbine build.

Why Hunters Choose the Aero Precision

Complete Lower

Receiver provides a ready base

Includes Moe

SL Grip and MOE SL-S

Comes Lower

Lower parts kit, receiver extension,

Enhanced M4e1

Forging offers billet-style aesthetics at

Specialists Handle

Installation, reducing assembly time for

Key Features

  • Complete AR15 lower receiver assembly for a custom build base.
  • Includes M4E1 stripped lower receiver, lower parts kit, and carbine receiver extension.
  • Upgraded with MOE SL grip and MOE SL-S carbine stock.
  • AR15 carbine buffer and spring are included and installed.
  • Custom designed enhanced forging machined from 7075-T6.
  • Offered by Aero Precision.

Best Used For

  • AR15 builders wanting a complete lower receiver ready for a custom rifle setup
  • Hunters who prefer a straightforward starting point with installed lower components
  • Users seeking an enhanced forged lower receiver with included grip and carbine stock
  • Buyers who want to save time by avoiding separate lower parts installation

Specifications

Ar15 Carbine Buffer And SpringIncluded
Carbine Receiver ExtensionIncluded
ColorBlack
Lower Parts KitIncluded
M4e1 Stripped Lower ReceiverIncluded
Material7075-T6
Moe Sl GripIncluded
Moe Sl S Carbine StockIncluded
PlatformAR15
Receiver TypeComplete Lower Receiver

Pros

  • Complete lower receiver provides a ready base for a custom AR15 build.
  • Includes MOE SL Grip and MOE SL-S Carbine Stock already installed.
  • Comes with lower parts kit, receiver extension, buffer, and spring.
  • Enhanced M4E1 forging offers billet-style aesthetics at a forged price.
  • Specialists handle installation, reducing assembly time for the buyer.

Considerations & Trade-offs

  • Complete lower receiver only; it is the base for a custom AR15 build rather than a full rifle.
  • The package is set up with the included MOE SL grip and SL-S carbine stock, so those components are not left open for separate selection.
  • The lower parts kit, carbine receiver extension, and AR15 carbine buffer and spring are included and installed, which is convenient but reduces build-level customization on those parts.
  • The M4E1 design is described as having billet aesthetics at a forged price, so the emphasis is on the receiver’s look and configuration rather than a fully custom component mix.

Suggested Comparisons

  • AR-15 stripped lower receiver
  • AR-15 complete lower receiver
  • AR-15 lower parts kit
  • AR-15 stock and grip package

Suggested Accessories

  • AR-15 upper receiver assembly
  • AR-15 magazines
  • Sling
  • Gun cleaning kit

Frequently Asked Questions

What is included with the M4E1 Complete Lower Receiver package?

The package includes the M4E1 stripped lower receiver, MOE SL grip, MOE SL-S carbine stock, lower parts kit, carbine receiver extension, and AR15 carbine buffer and spring. The listed parts are installed.

Is this a complete lower or do I need to assemble it myself?

It is a complete lower receiver, and the product description says the parts are installed by the seller's specialists.

What type of rifle build is this lower intended for?

The product is described as a base for a custom AR15 build.

What material is the M4E1 lower receiver machined from?

The description states that the enhanced forging is machined from 7075-T6.

Who makes this lower receiver?

The manufacturer listed is Aero Precision.