7mm-08 Ammo The 7mm-08 Remington is a rifle cartridge that is almost a direct copy of a wildcat cartridge developed around 1958 referred to as the 7mm/308. As these names would propose, it is the .308 Winchester situation necked down to accept 7 mm (.284) bullets with a small boost https://edgarcoyir.ltfblog.com/27211183/all-you-need-to-know-with-regards-to-the-7mm-08-ammo-available-for-purchase-in-united-states-and-copyright