Aero Precision M4E1 Assembled AR-15 Upper Receiver - Black

The Aero Precision M4E1 Assembled AR-15 Upper Receiver in Black offers custom billet-like styling with the structural strength of a 7075-T6 forged aluminum receiver. Designed as the ultimate foundation for your custom AR-15 build, this upper receiver delivers clean lines, enhanced strength, and full compatibility with standard Mil-Spec AR-15 components.

Engineered to save you time at the workbench, this M4E1 upper comes standard with a pre-installed forward assist and port door cover. It features a threaded forward assist roll pin for hassle-free installation and removal without risking damage to the receiver finish. Complete with precision-machined M4 feedramps for reliable feeding and a durable Type III Hardcoat Anodized finish, this receiver is engineered for long-lasting performance.

Key Features & Specifications:

• Custom Forged Design: Crafted from 7075-T6 forged aluminum with modern, sleek contours that mimic expensive billet uppers.
• Factory Assembled: Includes pre-installed forward assist and dust cover assemblies out of the box.
• Threaded Roll Pin: Uses a threaded forward assist roll pin to eliminate the need for a traditional roll pin punch during maintenance.
• M4 Feedramps: Machined feedramps ensure optimal feeding reliability with a wide variety of 5.56 NATO and .223 Remington ammunition.
• Mil-Spec Compatibility: Fits standard AR-15 lower receivers, barrels, handguards, bolt carrier groups, and charging handles.
• Finish: Type III Class 2 Hardcoat Anodized Black.
• MPN: APAR700201AC