Aero Precision M5 .308 Complete Lower Receiver w/A2 Grip & M4 Stock – FDE

The Aero Precision M5 .308 Complete Lower Receiver is designed as a robust foundation for your custom big-bore AR rifle. This lower receiver is compatible with standard AR 308 components and magazines, ensuring seamless integration into your build. It features a rear takedown pin detent hole that is threaded for a 4-40 set screw, eliminating the need for a roll pin for the bolt catch, which is also threaded for a screw pin. Additional features include an integrated trigger guard, compatibility with both 45, 60, or 90-degree safety selectors, and acceptance of Battle Arms Development short throw safety selectors. This complete lower receiver comes with an FDE Cerakote finish, an M4 stock, an A2 grip, a mil-spec lower parts kit, a carbine receiver extension, and a .308 carbine buffer and spring. It’s built for reliability and designed to meet the needs of serious shooters and builders alike.