New frontier c4 upper receiver ar15 side charging billet blk
FEATURES:
-Machined from 6061 billet aluminum
-Matte black
-Adjustable tension slide lock on charging handle
-Rear dust cover trap door that seals shut when mated w/ lower
Specifications:
| Stock Finish | None |
| Stock Material | None |
| Metal Finish | Colored |
| Caliber | Multi-cal |
| Made In The Usa | Made In The Usa |
| Dimension | 3.25 X 3.30 X 9.70 |
| Ar-15 Accessory | Y |
| Material | Aluminum |
| Size/finish | Milspec Matte |
| Type/color | Stripped Billet Upper |
