Best in the industry Grid Defense AR15 upper receivers made for the AR platform. Your next rifle or pistol AR build starts here with our high quality and durable Ghost uppers. All AR15 pistol upper available in different color options like black anodized finish along with flat dark earth, olive dab green, burnt bronze, blue titanium and tungsten grey in cerakote finish from grid defense. All NFA and local laws apply, make sure you know them before ordering or installing Ghost complete uppers receivers. Please allow adequate time to build and test fire all Grid Defense AR pistol upper receivers.