C4 5.56 Billet Upper Receiver

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Centurion Arms LLC, C4 Billet Upper Receiver in 7075-T6 Aircraft Grade Aluminum

-Precision CNC from billet 7075-T6 Aerospace aluminum
- M4 feed ramps
- MIL-A-8625F, Type III, Class 2, Hard Anodized Flat Black Finish or Cerakoted per customer's needs
- Compatible with TDP/Mil Standard AR upper receiver parts

*** We recommend gunsmith installation for all of our parts.  We cannot warranty items damaged by improper installation.