The AERO M4E1 Assembled Upper Receiver in Flat Dark Earth (FDE) combines tactical aesthetics with superior functionality for your AR-15 platform. Precision-forged from 7075-T6 aluminum, this upper features an enhanced body profile with sleek angular machining, providing a premium billet-like appearance. Fully assembled with forward assist and dust cover, it's engineered for seamless integration with all mil-spec AR15 components.

Features and Specifications:

• Material: 7075-T6 forged aluminum
• Finish: Type III hard coat anodized FDE
• Threaded for standard AR15 barrel nuts
• M4 feed ramps for smooth ammunition feeding
• Laser engraved T-marks for precise accessory mounting
• Includes threaded forward assist roll pin
• Pre-installed ejection port cover and forward assist
• Enhanced picatinny rail profile for improved aesthetics
• .250 takedown pin holes for tight upper/lower fit
• Full compatibility with mil-spec AR15 parts
• Designed to match M4E1 lower receivers