The Aero Precision M4E1 Assembled Upper Receiver in Flat Dark Earth is a complete forged 7075-T6 aluminum upper designed for AR-15 builds in 5.56 NATO/.223 Remington and other compatible calibers.
- Platform: AR-15
- Material: Forged 7075-T6 Aluminum
- Finish: Type III Hard Coat Anodized FDE
- Feed Ramps: Integrated M4
- Includes: Forward Assist, Ejection Port Cover (Pre-Installed)
- Compatibility: Mil-Spec AR-15 Lower Receivers
- Installation: Requires Barrel, BCG, Charging Handle (Not Included)
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