The 7.62mmx51mm cartridge, also known as the .308 Winchester, is a popular rifle round used in military and civilian firearms. It was developed in the early 1950s and is known for its versatility, accuracy, and effective range. This cartridge is commonly used in various rifles, including the .M14 and .FN FAL. The 7.62mmx51mm cartridge features a bullet diameter of 7.62mm and a case length of 51mm. It is designed for use in semi-automatic and bolt-action rifles, making it suitable for hunting, target shooting, and military applications. Its performance characteristics make it a favored choice among shooters worldwide.