| Main Shop > Uppers > Upper Receivers and Parts |
CMMG Upper Receivers have the following standard features.
- 7075 T6 aircraft grade Forged aluminum receivers
- Extended feed ramp cuts (M4 ramps)
- T marked for return to zero capable scope mounts
- Hardcoat anodized per Mil-A-8625 with black Teflon coating for added abrasion resistance
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