The M43 cartridge, also known as the 7.62×39mm, is a rifle cartridge developed in the Soviet Union during the late 1940s. It was designed for use in the AK-47 and other firearms, providing a balance of power and manageable recoil. The cartridge features a bullet diameter of 7.62 mm and is known for its effectiveness in medium-range engagements. The M43 cartridge has become widely used around the world, particularly in military and paramilitary applications. Its design allows for reliable performance in various conditions, making it a popular choice for many assault rifles. The cartridge's versatility has contributed to its adoption by numerous countries and armed groups.