GGP FORGED LOWER RCVR CORNERSTONE GGPC

Grey Ghost Precision Cornerstone Forged Stripped Lower, 223 Rem/556NATO, Black Finish 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".