Description
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. This lower parts kit does not include the fire control group or pistol grip.


![[P55340] Starting Key (2-Pack)](https://www.greatdiyhardware.com/wp-content/uploads/2026/07/p55340-starting-key-2-pack.webp)

