Our forged upper receivers are a great complement to our forged lower receivers with a MIL-Spec bore.
MIL-Spec inner dimension measures at 1.000 -0.0/+0.002"
Features and Specifications:
- Forged 7075-T6
- Black Type III Hard Coat Anodized Finish
- For Use with M4 Barrel extensions
- Made in America on American-made machines
- Finish:
- Anodized
- Color:
- Black