This is a Grey Ghost Precision Stripped Lower Receiver known as the Cornerstone chambered in 223 Remington, model GGPC.
The fit and finish of the Cornerstone will provide the right start to a reliable and strong AR build. Machined to tighter than Mil-Spec tolerance" the critical tooling dimensions are held to within +/ - .001".
Features:
Black Hard anodized with a surface hardness of 60 Rockwell
7075-T6 Aluminum
Flared mag well
