Norma Brass is the gold-standard of cartridge cases. These cases start off with the best possible raw materials with the narrowest tolerances. The case necks are annealed to soften the brass and prevent gas leaks the case body is at the optimum hardness to avoid any unnecessary stretching. New, unprimed brass that features chamfered and deburred case mouths and a drilled flash hole. These cases should be sized before loading.