Aero Precision’s 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!
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
DOES NOT include a stock
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