This rifle is compatible with standard AR .308 Win components and magazines, offering flexibility for customization
The rear takedown pin detent hole is threaded for a 4-40 set screw, simplifying assembly and maintenance
The bolt catch is threaded for a screw pin, eliminating the need for a roll pin and making assembly easier
The integrated trigger guard enhances durability while maintaining a sleek design
Selector markings work with 45, 60 or 90-degree safety selectors, offering versatility in safety selector configurations
The lower receiver accepts battle arms development short-throw safety selectors but is compatible with any standard selector
There is no gap with aftermarket pistol grips, ensuring a seamless and professional fit

Features

The M5 .308 Win Complete Lower Receiver is the ultimate foundation for building your custom big-bore AR rifle. Precision-engineered to meet Mil-Spec standards, this complete lower offers the perfect balance of durability and reliability, ensuring flawless performance. Whether you're planning a precision long-range build or a powerful big-bore setup, the M5 .308 Win Complete Lower Receiver provides a rock-solid base for your custom AR, ready-to pair with your choice of upper receiver and components for the ultimate .308 Win platform.

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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).