- Suitable for Zparts Marui M4 (only for Z-parts Replacement )
- not suitable for original Marui Parts
-  Include: MARUI Mk16 Barrel Nut
- Aluminum alloy CNC machining
- Coated with hard anodizing in MIL-STD
- Exactly copy genuine parts
- All the chamfering signatures and sizes, all the tool marks,
and bore hole signatures are fully restored

Color : Midnight Green
Manufacturer : Zparts