Aero Precision M4E1-T 5.56 NATO Barreled Upper Receiver - 13.9" - Black Anodized
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Aero Precision
Overview
The Aero Precision M4E1-T 5.56 NATO Barreled Upper Receiver is a complete assembly designed for AR-15 platforms, featuring a 13.9-inch barrel that offers a balance of maneuverability and performance. Constructed from durable 7075-T6 aluminum and finished in black anodized, this upper receiver is built to withstand the rigors of use while maintaining a lightweight profile. It's a popular choice for builds focused on the 5.56 NATO caliber, making it ideal for both tactical applications and recreational shooting.
Specifications
Aero Precision M4E1-T 5.56 NATO Barreled Upper Receiver - 13.9" - Black Anodized
Build history on GunPartPicker
Builders on GunPartPicker first added the Aero Precision M4E1-T 5.56 NATO Barreled Upper Receiver - 13.9" - Black Anodized to a build in February 2026.
It 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 $574.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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