7mm-08 vs 308 The 7mm-08 Remington is usually a rifle cartridge that is almost a direct copy of the wildcat cartridge created close to 1958 generally known as the 7mm/308. As these names would advise, it's the .308 Winchester scenario necked down to just accept 7 mm (.284) bullets with https://7mm-08ammoforsale77665.shotblogs.com/all-you-have-to-know-about-the-7mm-08-ammo-available-for-purchase-in-united-states-and-copyright-41734737