Aero Precision M4E1 Assembled Gen 2 Upper Receiver 7.5 Pistol Length
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Aero Precision
Overview
The Aero Precision M4E1 Assembled Gen 2 Upper Receiver is a complete upper designed for AR-15 builds, featuring a compact 7.5-inch barrel optimized for the 5.56 NATO caliber. This M4 contour upper utilizes a pistol-length gas system, ensuring reliable cycling in shorter configurations while maintaining a sleek profile. This upper receiver is commonly found in compact pistol builds, making it ideal for those looking to enhance maneuverability without sacrificing performance.
Specifications
Aero Precision M4E1 Assembled Gen 2 Upper Receiver 7.5 Pistol Length
Build history on GunPartPicker
Builders on GunPartPicker first added the Aero Precision M4E1 Assembled Gen 2 Upper Receiver 7.5 Pistol Length 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 $369.74 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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