The .338 Lapua Magnum (8.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-powered, lengthy-assortment cartridge for armed forces snipers. Resulting from its use from the War in Afghanistan as well as Iraq War, the cartridge happens to b