The .300 Norma Mag cartridge showed up in the list of 2009 alongside his sibling .338 Norma Magnum and soon it has started to acquire fame in the long-range shooting local area. 300 norma ammo The cartridge was assigned .300 Norma Magnum to recognize it from the .308 Norma Magnum presented in 1960. Moreover, the new Magnum cartridge has not to be mistaken for the .308 Norma Mag since these cartridges are not the equivalent not by aspects nor by ballistic execution.