M4 Feedramps these feed ramps ensure smooth feeding of rounds into the chamber, reducing the likelihood of malfunctions and increasing reliability
Designed with .2795 takedown pin holes, offering precise fitment for high-performance components and accessories
Laser-engraved T-marks offer a precise, permanent marking solution for easily identifying and customizing your gear, enhancing functionality and organization
The DPMS high-profile (.210) tang is specifically designed for high-profile builds, ensuring compatibility and a secure fit for reliable performance
Includes a port door and forward assist for enhanced firearm functionality and operation

Features

The M5 .308 Assembled Upper Receiver is built to provide a strong foundation for your big bore build. Forged from 7075-T6 aluminum, it offers durability and precision with a perfect fit for standard .308 components. Both the port door and forward assist hardware come preinstalled, saving time during assembly. For optimal performance, pair this upper with the M5 .308 lower receiver to ensure a solid and dependable fit for your firearm, providing the reliability and strength needed for heavy-duty use.

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It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Aero Precision M5 Assembled Upper Receiver, Black