The Aero Precision M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. Our enhanced complete lower receiver includes the Magpul MOE Grip and STR Stock.

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
• Accepts Battle Arms Development short throw safety selectors but will work with any standard selector
• No gap with aftermarket pistol grips

Includes:

• Aero Precision M5 Lower Receiver
• Magpul STR Stock
• Magpul MOE Grip
• Lower parts kit
• Receiver extension
• .308 carbine buffer and spring