Aero Precision

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