Aero Precision

Aero Precision Complete Upper Receiver M4E1-T 10.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

All Aero Precision upper receivers

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Aero Precision Complete Upper Receiver M4E1-T 10.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth - Upper Receiver for AR-15 - view 1
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Aero Precision

Overview

The Aero Precision Complete Upper Receiver M4E1-T features a 10.5-inch barrel chambered in 5.56 NATO, designed for reliable performance in the AR-15 platform. This complete assembly ensures a seamless integration with your lower receiver, while the M4E1 receiver type enhances compatibility and ease of installation. Commonly found in short-barreled rifles and compact builds, this upper is ideal for those seeking a lightweight and versatile option for various shooting applications.

Specifications

MPNAPAR700312M2
Barrel Length10.5
Receiver TypeM4E1
ColorFDE
PlatformAR-15
Caliber5.56 NATO
AssemblyComplete

Available Merchants(2)

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$570
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Classic Firearms
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$570
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Build history on GunPartPicker

Builders have been adding the Aero Precision Complete Upper Receiver M4E1-T 10.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth to their builds on GunPartPicker since March 2026. All time, it ranks #391 of the 1,680 upper receivers builders have added.

Today none of the 2 retailers we track has it in stock right now. Listed prices start at $569.99 at Optics Planet for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

ANDERSON COMPLETE LOWER AR-15 MULTI CAL MFT

ANDERSON COMPLETE LOWER AR-15 MULTI CAL MFT

Lower Receiver$230 · out of stockin 20% of them
Magpul DT Carbine Stock - Mil-Spec - FDE - MAG1377-FDE

Magpul DT Carbine Stock - Mil-Spec - FDE - MAG1377-FDE

Stock & Brace$53in 20% of them
Radian Weapons AR-15 Raptor-Lt Ambidextrous Charging Handle FDE

Radian Weapons AR-15 Raptor-Lt Ambidextrous Charging Handle FDE

Charging Handle$70in 20% of them
EOTECH XPS2-1 Holographic Weapon Sight

EOTECH XPS2-1 Holographic Weapon Sight

Optic$558in 20% of them
Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group - No Hammer

Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group - No Hammer

Bolt Carrier Group$149in 20% of them
Rise Armament Ra-524 Blitz Performance Trigger Drop-In

Rise Armament Ra-524 Blitz Performance Trigger Drop-In

Trigger$131in 20% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

50.3%
Mid-Length50.3%
Carbine25.7%
Pistol11.4%
Rifle11%
Blowback1.3%
Other0.3%

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