Aero Precision M4E1 Assembled Upper .350 Legend 16 Barrel
All Aero Precision upper receivers2 options
- Standard, this page
- Flat Dark Earthout of stock
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Aero Precision
Overview
The Aero Precision M4E1 Assembled Upper features a complete, 16-inch barrel specifically chambered for .350 Legend, making it an ideal choice for those looking to optimize their AR-15 platform for straight-walled cartridge performance. With a carbine-length gas system, this upper receiver ensures reliable cycling and minimal recoil, contributing to improved accuracy on the range or in the field. This upper is commonly used in builds aimed at hunting and target shooting, where the .350 Legend caliber excels.
Specifications
Aero Precision M4E1 Assembled Upper .350 Legend 16 Barrel
2 options
- Standard, this page
- Flat Dark Earthout of stock
Available Merchants(4)
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Build history on GunPartPicker
Builders on GunPartPicker first added the Aero Precision M4E1 Assembled Upper .350 Legend 16 Barrel to a build in April 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 4 retailers we track has it in stock right now. Listed prices start at $549.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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