Dirty Bird Brand AR-15 Parts
Description
The Centurion Arms C4 Billet AR-15 Upper Receiver is designed to be used with the C4 Billet Lower. It is machined from a solid block of 7075-T6 aluminum and is Type III Class 2 hardcoat anodized black to military standards. It features a flat top picatinny rail and is compatible with standard upper parts. M4 feed ramps correspond with the feed ramps on your barrel extension to aid in reliability. The C4 stripped Billet AR-15 Upper Receiver is what you need for your next build.
Features:
- CNC machined from 7075-T6 aluminum
- Hardcoat anodized black
- Compatible with Mil-Spec parts
- M4 feed ramps
- Picatinny top rail
Additional information
| Weight | 16 oz |
|---|---|
| Finished | Anodized Black |
| Forward Assist | Not Included |
| Port Door / Dust Cover | Not Included |
| Receiver Material | 7075 Aluminum |
| T-Marks | Unmarked |
| Feed Ramps | M4 |
| MPN | C4-B-UPPER |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
