The .30-06 Springfield is a popular rifle cartridge developed in 1906 for the United States military. It was designed to provide a powerful and versatile round for various types of shooting, including hunting and target practice. The cartridge is known for its accuracy and effectiveness at long ranges, making it a favorite among hunters and sport shooters. The .30-06 uses a bullet diameter of .308 inches and can be loaded with various bullet weights, typically ranging from 150 to 220 grains. Its performance has made it a standard choice for many hunting applications, particularly for big game like deer and elk, and it remains widely used today in both civilian and military contexts.