The M4E1 Complete Lower Receiver is the ultimate foundation for your custom AR-15 build, delivering superior craftsmanship, reliability and ease of assembly. Featuring our enhanced M4E1 Lower Receiver paired with a classic A2 Grip, this complete lower is engineered for durability and comfort. Skip the hassle and save time and money, our specialists handle the installation, ensuring a professionally assembled lower receiver that's ready for your next build. Whether you're a seasoned builder or starting fresh, the M4E1 Complete Lower sets the stage for a rifle built to perform.

The M4E1 stripped lower receiver in anodized black includes an A2 grip, Mil-Spec lower parts kit, AR-15 carbine receiver extension, AR-15 carbine buffer and spring
These precision-engineered parts are expertly installed to ensure optimal firearm performance and reliability
This complete lower receiver is sold without a stock, allowing users to customize their build to fit their specific shooting needs

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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).