AERO M5 (.308) lower parts kit helps you to build a custom .308 AR from the ground up. Mil- spec dimensions and coating ensure the highest quality and correct component interface.
Aero Precision M5 (.308) Complete Lower Parts Kit
Aer custom takedown and pivot pins are made to work with the M5 lower. They will work with DPMS-pattern lowers as well but will stick out further.