2A Armament Builder Series AR-15 Castle Nut Aluminum Construction Hard Coat Anodized Black

New for 2019 from 2A Armament is a line of AR-15 parts and accessories known as the Builders Series. Get this 2A Armament Builder Series AR-15 Castle Nut from GrabAGun for the cheapest price online! We will have all your guns, knifes, clothing and accessories ready for the cheapest price so get them while you can with easy, fast shipping.