The MARS-H lower receiver integrates the innovative design of the MARS-L into the MWS platform, featuring the LMT modular ambidextrous Rifle System (MARS ). This system provides ambidextrous controls, including the selector, magazine release and bolt catch and release. The receiver incorporates an enhanced flared magazine well and ambidextrous magazine and bolt catch mechanisms, which are machined directly into the unit to optimize ergonomic functionality. The design includes several distinctive LMT features to enhance durability and versatility, such as a two-stage trigger group, winter trigger guard, ergonomic grip, QD endplate and SOPMOD buttstock. It is important to note that LMT Defender-H and MARS-H lower receivers are only guaranteed to be compatible with LMT upper receivers, compatibility with other brands is not assured and may result in improper fit or function.

Compatible with .308 Cal specifications
7075-T6 aluminum, forged
Anodized finish with a hardcoat in black
Designed for full ambidextrous functionality with integrated controls
Optimized magazine well
Two-stage trigger assembly
Winter trigger guard assembly
Ergonomic handle
QD endplate - a precision-engineered component designed for optimal performance in mechanical assemblies, ensuring stability and alignment in various applications
The SOPMOD buttstock is an advanced modular stock system designed for tactical rifles, providing enhanced ergonomics and adaptability

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

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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.

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).