U.S. Arms Upper Receiver
Stripped upper receiver, anodized black.
USAC upper receivers are among the most lightweight, durable uppers on the market. USAC upper receivers are engineered to allow significant weight reduction without sacrificing strength, are aesthetically appealing, and ergonomically accurate. Attention to machining detail though every step of the manufacturing process assures precision fit parts that are aesthetically appealing and provides highly accurate functioning.