New Frontier C4 Upper Receiver - Ar15 Stripped Billet Black

New frontier c4 upper receiver ar15 stripped billet black

FEATURES:
-Machined from 7075 billet aluminum
-Matte black
-Compatible w/ all standard AR-15 components & most aftermarket parts

Other Features: Billet aluminum upper receiver use for multiple calibers accepts most standard ar15 aftermarket parts.Designed to match lines with new frontier c4 billet lower