The LMT modular ambidextrous Rifle System (MARS ) lower receiver is engineered to provide ambidextrous functionality, incorporating controls such as the selector, magazine release and bolt catch and release. The receiver features an enhanced flared magazine well, with ambidextrous magazine and bolt catch mechanisms integrated directly into the design. These components are meticulously crafted to optimize ergonomic performance.

The LMT DEFENSE Mars-L Stripped lower receiver is engineered to provide full ambidextrous functionality and is compatible with multiple calibers, including .204 Ruger, .300 AAC Blackout, 5.56x45mm and 6.8 SPC
Engineered for durability and adaptability, this lower receiver is optimal for custom AR configurations, tactical operations and professional applications

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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).