A4 Upper Receiver

Rock River Arms

Forged A4 Upper Receiver Assembly

Forged A4 Upper Receiver Assembly

ITEM #: AR0052BASY

With M4 feed ramps. With forward assist and port door. 7075 T6 Aluminum.

Forged A4 Upper Receiver, stripped

Forged A4 Upper Receiver, stripped

ITEM #: AR0052B

With M4 feed ramps. 7075 T6 Aluminum.