The Carl Gustav (also Carl-Gustaf and M2CG; pronounced "Carl Gustaf") is the common name for the 84 mm man-portable reusable multi-role recoilless rifle produced by Saab Bofors Dynamics (formerly Bofors Anti-Armour AB) in Sweden. The first prototype of the Carl Gustaf was produced in 1946, and while similar weapons of the era have generally disappeared, the Carl Gustaf remains in widespread use today. British troops refer to it as the Charlie G, while Canadian troops often refer to it as the 84, Carl G or Carlo. In US service it is officially known as the RAWS or Ranger Antitank Weapons System, but often called the Gustav or the Goose or simply the Carl Johnson by US soldiers. In Australia it is irreverently known as Charlie Gusto or Charlie Gutsache (guts ache, slang for stomach pain). In its country of origin it is officially named Grg m/48 (Granatgevär or grenade rifle, model 48) but is sometimes nicknamed Stuprör (drainpipe) because the weapon mainly consists of a long tube.