Aero Precision M4E1 16 .300 Blackout Barrel Complete Upper Receiver
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Aero Precision
Overview
The Aero Precision M4E1 16 .300 Blackout Barrel Complete Upper Receiver is designed as a complete assembly, allowing builders to easily integrate it into their AR-15 platform. With a 16-inch barrel and a pistol-length gas system, this upper receiver is optimized for the .300 Blackout caliber, ensuring reliable cycling and performance in various shooting conditions. This upper receiver is commonly found in builds focused on versatility, making it a popular choice for both tactical applications and recreational shooting.
Specifications
Aero Precision M4E1 16 .300 Blackout Barrel Complete Upper Receiver
Build history on GunPartPicker
Builders on GunPartPicker first added the Aero Precision M4E1 16 .300 Blackout Barrel Complete Upper Receiver to a build in February 2026.
Today none of the 3 retailers we track has it in stock right now. Listed prices start at $499.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
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