Aero's 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.
Features:
Aero Precision M5 (.308) Complete Lower Parts Kit
Their custom takedown and pivot pins are made to work with their M5 lower. They will work with DPMS-pattern lowers as well but will stick out further.