The 7.62×39mm is a rifle cartridge that was developed in the Soviet Union during the late 1940s. It is known for its moderate recoil and effective range, making it popular for both military and civilian use. The cartridge is commonly associated with the AK-47, a widely recognized assault rifle. This cartridge features a bullet diameter of 7.62 mm and a case length of 39 mm. It is designed for use in various firearms, including the SKS and other rifles. The 7.62×39mm is favored for its balance of power and controllability, making it suitable for a range of shooting applications.