The MK211 RAUFOSS (officially the MK211 Mod 0 U.S. Navy/Crane-USSOCOM Designation) or NM140 MP is a .50 caliber round made for the Barrett M107/M82 and M2 machinegun. It was made by the Norwegian company Nammo AS (Nordic Ammunition) and manufactured under the licence of several American companies, including Winchester, they assemble the components at various locations but actual bullet is always manufactured at the Nammo factory in Raufoss, Norway. It is identified by white paint, overlapped by green, on its tip.