The Raufoss Mk 211. The multipurpose name is based on an armor-piercing tungsten core, a slow explosive, and an incendiary component, thus making it capable of penetrating lightly armored targets and causing damage to personnel inside the target after penetration. http://dreher-telecomm.com/__media__/js/netsoltrademark.php?d=targetammostore.com%2Fproduct%2F50-bmg-he-raufoss-mk211-5-rounds%2F