Aero's M4A1 Clone Lower Receiver features custom engraving on their AR15 Gen 2 Lower Receiver and is the perfect base for your M4A1 clone build.
- Custom Aero Precision logo
- Markings include: Property of U.S.A., MOD M4 CARBINE, CAL. 5.56MM
- Serial number designation
- Safe/Semi/Auto safety selector markings
- Stripped AR15 Lower Receiver, Gen 2
- Nylon tipped tensioning set screw
Determined at checkout.