The M5 complete lower receiver serves as an ideal foundation for custom big-bore AR builds. This assembly includes the custom-designed M5 lower receiver enhanced with a MOE grip and UBR Gen 2 Collapsible stock. Opting for the complete package offers cost savings and professional installation by our specialists. The M5 lower receiver is a benchmark in big-bore AR construction, crafted from 7075-T6 aluminum through enhanced forging techniques. It is compatible with standard AR-308 components and magazines. The design incorporates advanced features such as a threaded bolt catch roll pin, integrated trigger guard, upper tension screw, threaded takedown pin detent recess and an expanded magwell flare. Additionally, it includes custom takedown and pivot pins, along with an extended magazine catch button.

The M5 complete lower receiver serves as a foundational component for custom big-bore AR builds
It incorporates Aero Precision's enhanced M5 lower receiver a MOE grip and a UBR Gen2 collapsible stock
Machined from 7075-T6 aluminum, this component is compatible with standard AR-308 components and magazines
It incorporates enhanced features, including a threaded bolt catch roll pin and an increased magwell flare
The assembly includes a lower parts kit, an integrated UBR custom receiver extension tube, an M5 carbine buffer and a spring
It features a black anodized coating

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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.

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