7mm-08 Ammo The 7mm-08 Remington is usually a rifle cartridge that is sort of a immediate duplicate of the wildcat cartridge developed about 1958 called the 7mm/308. As these names would recommend, it is the .308 Winchester case necked down to accept 7 mm (.284) bullets with a little boost https://elliottfrcl.targetblogs.com/28198299/all-you-have-to-know-regarding-the-7mm-08-ammo-on-the-market-in-usa-and-copyright