The M5 .308 Cal complete lower receiver serves as an ideal foundation for constructing a custom big-bore AR rifle. Purchasing the complete unit offers cost savings and professional installation services are available. Note that this complete lower receiver is supplied without a stock, providing the flexibility to select a stock that best suits individual preferences.
- Compatible with standard AR-308 components and magazines
- The rear takedown pin detent hole is equipped with threading compatible with a 4-40 set screw
- The bolt catch is designed with threading to accommodate a screw pin, eliminating the need for a roll pin
- Integrated safety enclosure
- Selector markings are compatible with safety selectors set at 45, 60 or 90 degrees
