The M4E1 PRO Lower Receiver is designed for ultimate ease of use, featuring integrated ambidextrous controls that allow shooters to operate the bolt catch, magazine release and safety effortlessly without having to adjust their dominant hand. This intuitive design enhances comfort and efficiency during use. With all proprietary components preinstalled, the receiver offers a smooth and hassle-free setup while maintaining compatibility with Mil-Spec parts and components. This allows builders the flexibility to customize their firearm to their exact specifications, making the M4E1 PRO Lower Receiver an ideal choice for those seeking performance and versatility in their builds.

The M4E1 stripped lower receiver in OD green anodized features a bolt catch assembly and magazine release assembly, making it a great foundation for your build

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If you live in California, please read this notice before ordering.

Shipping Restrictions

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.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

Must be 21 or older to purchase.

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).