30-06 Springfield continues to be an incredibly balanced, versatile and affordable hunting cartridge. With modern ammo, it shoots 100-200 fps high-speed than it used to. If it was good enough to stop lions, buffalo, rhinos, and elephants 100 years ago, it’s probably good enough to prevent deer and elk today. 308 Winchester is 2.8 inches in overall length and. 30-06 is 3.34 inches in length.