Aero Precisions M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. Save when you buy it complete and let their specialist do the installation for you!
Features :
- Works with standard AR 308 components and magazines
- Rear takedown pin detent hole is threaded for a 4-40 set screw
- Bolt catch is threaded for a screw pin (no roll pin needed)
- Integrated trigger guard
- Selector markings will work with 45, 60 or 90 degree safety selectors
- A2 Grip
- Installed lower parts kit
- Receiver extension
- 308 carbine buffer and spring