Liberty Ammunition LAR223070: Liberty Ammunition Steel Plate & Range 223 is for the shooter who wants to train indoors and outdoors, up close on steel or any shooter valuing a lead-free training experience. All the Steel Plate & Range ammunition utilize SinterFire lead-free, frangible projectiles which manufactured using an exclusive blend of copper and tin composite material and a proprietary heat treatment process. Since the projectiles are lead-free and frangible, they are ideal for close quarter training on steel plates and in tactical houses. This ammunition is new production, non-corrosive, in boxer-primed, reloadable brass cases.