7mm-08 Ammo The 7mm-08 Remington is usually a rifle cartridge that is almost a immediate duplicate of the wildcat cartridge developed about 1958 called the 7mm/308. As these names would propose, it is the .308 Winchester situation necked down to just accept 7 mm (.284) bullets with a small increase https://7mm-0899988.blogars.com/27180882/all-you-need-to-know-with-regard-to-the-7mm-08-ammo-available-in-united-states-and-copyright