7mm-08 Ammo For SaleThe 7mm-08 Remington can be a rifle cartridge that is sort of a direct copy of a wildcat cartridge formulated around 1958 called the 7mm/308. As these names would advise, it's the .308 Winchester circumstance necked down to simply accept seven mm (.284) bullets with a little boost in case length. Of cartridges based upon the .30