Wa-87 machine gun

The Wa-87, officially the Type-87 medium machine gun, is a recoil-operated, air-cooled medium machine gun chambered for the 12.7×99 mm cartridge. It was developed to provide an infantry squad with the stopping power, penetration and range of a heavy machine gun in a weapon the size of a medium machine gun. The recoil of the weapon demands that it be emplaced on its bipod before being fired for maximum accuracy, though reports have emerged of some soldiers capable of firing from their shoulder. The Wa-87 is also used for "walking fire", fired from a sling as infantry advance.