As best as I can tell the Norwegianicon armory must have kept the rifle together with all of its original parts. Probably no assembly line effort, but rather individual gunsmiths working at their respective benches. Kongberg (SP?) Armory is a large facility and probably did all of the work.
Read this: "In 1987, however, the state-owned Kongsberg Vaapenfabrikk (English: Kongsberg Weapons Factory) suffered a major financial crisis as well as accusations of breaching the CoCom rules by selling sensitive technology to the Sovieticon bloc. As a result the company was split into several smaller units and partly sold to private investors. Today, the separate firms thrive as one of Norway's main high-tech industrial clusters, centering on the defence and maritime company Kongsberg Gruppen which is listed on the Oslo Stock Exchange.