Right to Bear is proud to bring you the Aero Precision M5 Lower Parts Kit. The M5 Aero 308 Lower Parts Kit is perfect for the builder who wants to get to the good stuff faster. The Aero Precision M5 AR10 lower gives you all of the precision parts you need to build your next 308 lower from the ground up. From the Aero A2 pistol grip to the last detent pin, it’s all here so you can order what you need without wasting time and money looking for individual components only to overlook a lock washer that stalls the whole project. Choose the Aero Precision M5 308 Lower Kit. Make your life easier and your build better with Right to Bear and Aero Precision.