The .338 Lapua Magnum (eight.six×70 mm or eight.fifty eight×70 mm) is actually a rimless, bottlenecked, centerfire rifle cartridge. It had been formulated during the 1980s as being a higher-driven, extended-assortment cartridge for navy snipers. As a consequence of its use in the War in Afghanistan and the Iraq War, the cartridge has become widel