Aero Precision M4E1-T Complete Upper, 16" 5.56 Mid-Length Gov Profile Barrel, 15" MOD 4 Handguard | OD Green

Aero Precision M4E1-T Complete Upper, 16″ 5.56 Mid-Length Gov Profile Barrel, 15″ MOD 4 Handguard – OD Green

The Aero Precision M4E1-T Complete Upper, 16″ 5.56 Mid-Length Gov Profile Barrel, 15″ MOD 4 Handguard – OD Green provides a complete solution for builders seeking a full-length upper that balances weight, durability, and modularity. This OD Green anodized upper is built to perform and engineered for reliability on the AR15 platform.

The heart of this upper is a 4150 Chrome Moly Vanadium barrel finished with QPQ Nitride treatment for superior corrosion and wear resistance. The 1:7 twist rate is ideal for stabilizing heavier 5.56 NATO rounds, making it an excellent match for both duty and defensive loads. With its government profile and mid-length gas system, this upper delivers consistent performance and a smoother recoil impulse.

The 15″ MOD 4 Handguard features a free-floating design and full-length Picatinny top rail with M-LOK slots along the sides and bottom. Whether you’re setting up a rifle for optics, lights, bipods, or sling hardware, this handguard provides the real estate and strength needed for customization without compromising accuracy.

The M4E1 enhanced upper receiver is forged from 7075-T6 aluminum and includes a pre-installed port door and forward assist. It’s coated in an OD Green anodized finish for enhanced visual appeal and corrosion resistance. The barrel is threaded 1/2×28 and capped with an 11° recessed target crown for added protection of the muzzle.

The Nickel Boron Coated M4 Feed Ramp Extension enhances reliability by facilitating smooth feeding of various ammunition types. This upper is compatible with all mil-spec AR15 lower receivers and is ideal for any shooter building a full-length, precision-capable AR15 in a distinct OD Green finish.