The .338 Lapua Magnum Story direct from Lapua! .338 Lapua Magnum next to .300 Norma Magnum from Wikipedia Lapua’s website has the story of the genesis of the .338 Lapua Magnum cartridge, and it is an interesting read. The birth of the .338 Lapua Magnum dates back to 1982, when an American company Research Armament … Continue reading .338 Lapua Magnum Story