Aero Precision M4E1 Enhanced 14.5\" 5.56 M4 Carbine Length Barrel Complete Upper Receiver - Anodized Black - APAR640231M32
All Aero Precision upper receivers
Click to see full view
Aero Precision
Overview
The Aero Precision M4E1 Enhanced Complete Upper Receiver is designed for builders looking for a reliable and high-performing upper for their AR-15 platform. Chambered in 5.56 NATO, it features a carbine-length gas system which helps ensure consistent cycling and reduced recoil, making it suitable for a variety of shooting scenarios. This complete assembly not only streamlines the building process but also integrates seamlessly with M4E1 lower receivers, making it a popular choice for those building tactical or general-purpose rifles.
Specifications
Aero Precision M4E1 Enhanced 14.5\" 5.56 M4 Carbine Length Barrel Complete Upper Receiver - Anodized Black - APAR640231M32
Price and stock
The Aero Precision M4E1 Enhanced 14.5\" 5.56 M4 Carbine Length Barrel Complete Upper Receiver - Anodized Black - APAR640231M32 was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $564.99 at Optics Planet for when it comes back.
Prices checked · refreshed daily across 37 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Frequently Built With
Popular alongside upper receivers on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Bravo Company M16 Bolt Carrier Group Black
Magpul AFG-2 Angled Fore Grip - Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!