Start your big bore build off right with a quality lower from Aero Precision.
These are DPMS Cut lower receivers.
The Aero Precision M5 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. The Aero Precision M5 lower receivers will work with standard AR10 components and magazines. This lower will have some great features such as a lower tensioning screws to remove any slop between your upper and lower receiver, a trigger guard that is integrated into the lower receiver, and a bolt catch that is threaded for a screw pin. Machined from 7075-T6 forged aluminum, this lower receiver is ready to take on whatever you put it through.
Made in the USA