** The Aero Precision M5 stripped lower receiver pictured is California legal as is and does not require CA compliant parts or modification. CA compliant parts are buyer's responsibility when built into rifle. **
Aero Precision's M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.
Don't forget to buy an Aero Precision M5 (.308) Lower Parts Kit. Our LPK is specifically designed to work with the M5 Lower Receiver and includes custom takedown and pivot pins as well as an extended magazine catch button.
- 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
- Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector
- No gap with aftermarket pistol grips
