LAPUA BRASS 7.62 X 39 100PK - SKU: 4PH7074 Lapua"s 7.62x39 offers match quality that no other manufacturer has for this calibre. When it comes to competition, Lapua"s 7.62x39 is way ahead of all the military quality cases. 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.