Luth-AR A1 Upper Receiver, 223/5.56mm, Aluminum Black Hardcoat Anodized - UR-01-M16-A

This is an A1 upper receiver manufactured by Luth-AR, chambered in 223 Remington/5.56 NATO and compatible with M16-platform rifles. The receiver is constructed from aluminum with black hardcoat anodized finish for corrosion resistance and durability. Dimensions are 12.2" length × 5.9" width × 2.1" height.