The LMT modular ambidextrous Rifle System (MARS ) lower receiver integrates ambidextrous controls, including the selector, magazine release and bolt catch and release. The enhanced flared magazine well, along with the ambidextrous magazine and bolt catch mechanisms, are precision-machined directly into the receiver to optimize ergonomic functionality. This lower receiver incorporates several distinctive LMT features to augment its durability and versatility, such as a two-stage trigger group, winter trigger guard, ergonomic grip, QD endplate and PDW buttstock.

The LMT modular ambidextrous Rifle System (MARS) lower receiver provides ergonomic improvements, robust construction and operational versatility
The LMT DEFENSE Mars-L PDW complete lower receiver is engineered for optimal performance and features a fully ambidextrous design
It is specifically crafted for AR platform rifles compatible with .204 Ruger, 5.56x45mm and .300 AAC Blackout calibers

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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).