The RSh-12 (Револьвер Штурмовой калибра 12,7, Revolver Shturmovoy kalibra 12.7 or Assault revolver calibre 12.7. Is a Russian-made revolver chambered in the proprietary 12.7 x 55 mm cartridge. Currently only used by the Russian Federation and fires from the 6 o’clock position similar to the Chiappa Rhino and Mateba Autorevolver.
