NiB-X A3/A4 Upper Receiver w/M4 Feed Ramps, Forged, 7075 T6 Mil Spec forging with M4 feed ramps. Ideal building block for a long lasting AR15. This 7075 T6 Aluminum forged Mil Spec receiver with M4 feed ramps has NiB-X coating inside and out to provide an exceptionally tough, ultra-smooth surface finish for outstanding wear resistance and lubricity.
- Finish:
- Nib-X
- Caliber:
- 556NATO
- Manufacturer #:
- WMD Guns
- Manufactuer Weight:
- 1-NIBXUF
- Units Per Case:
- Upper
- Color:
- Upper Receivers
- Lens Color:
- Nickel
