Aero Precision M4E1 Enhanced .300 Blackout 8 Barrel Complete Upper Receiver
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Aero Precision
Overview
The Aero Precision M4E1 Enhanced .300 Blackout 8 Barrel Complete Upper Receiver is a fully assembled upper designed specifically for the AR-15 platform, featuring an 8-inch barrel optimized for the .300 Blackout caliber. With a pistol-length gas system, this upper provides reliable cycling with shorter-barreled configurations, making it ideal for builds that prioritize compactness and maneuverability. This upper is commonly found in pistol builds where the .300 Blackout's versatility and performance in short barrels are highly valued.
Specifications
Aero Precision M4E1 Enhanced .300 Blackout 8 Barrel Complete Upper Receiver
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Build history on GunPartPicker
Builders on GunPartPicker first added the Aero Precision M4E1 Enhanced .300 Blackout 8 Barrel Complete Upper Receiver to a build in August 2026.
Updated · from real builds on GunPartPicker
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