The ASh-12.7 (АШ-12.7, Автомат штурмовой 12.7мм) is a Russian Bullpup Battle Rifle developed by TsKIB SOO introduced in 2011 and chambered in proprietary 12.7×55mm STs-130 straight-walled cartridge. Also known as ShAK-12 (ШАК-12).
The Weapon features a stamped metal receiver, a long reciprocating charging handle, arched magazine housing, a carry Handle on top or Picatinny rail for Optical Sight, and often equipped with a Suppressor.