Lapua .223 Rem. Brass For decades Lapua has concentrated in developing components and production machinery for target shooting cartridges. This determination has created the legendary quality sport shooting cases. They have been measured and manufactured to be strong and uniformly precise. Lapua cases are manufactured to be reloaded, again and again, dozens of times. Accepts boxer primers. New, unprimed brass. This is not loaded ammunition. 100 count box.