USED Jacob Grey Firearms Ultralight Complete Upper Assembly .300 AAC Blackout 13in Black 300BO13ULCUA

USED Jacob Grey Firearms Ultralight Complete Upper Assembly .300 AAC Blackout 13in Black 300BO13ULCUA. This AR-15 complete upper assembly is built around the 7075-T6 billet upper receiver specifically machined and cut in areas where excess material was unnecessary and areas that see excess use and wear reinforced and strengthened to give a sleek refined look without losing the classic lines of the AR-15 platform. It comes standard with the JG designed free float 7-sided M-LOK hand-guard that is