LAPUA BRASS 6MM BR NORMA 100PK - SKU: 4PH6046 6 mm BR Norma Without exaggeration, Lapua"s 6mm BR case is absolutely the best case in its class. The standard that all other cases are compared to. Lapua cases are the best in the world. The base, body and neck of Lapua cases have been designed to maintain exact tolerances over multiple reloading cycles. Advanced metallurgical research and manufacturing techniques ensure that Lapua cases are leaders in uniformity and quality.