Amidon Ballistic Concrete (ABC) is a patented technology able to withstand an enormous number of rounds. The concrete can be mixed, poured, and installed on site (or near to the site), even in harsh arid environments. The product has been subjected to rigorous testing including a comprehensive test at Aberdeen Proving Ground. The modular building design allows for relocation, reconfiguration, repair, or module replacement by component. Our structures have been tested to withstand .50 caliber rounds as well as M67 grenades. There is simply no better live fire construction material than Amidon Ballistic Concrete.