|Action:||Double Action (DA or DA/SA)|
|Caliber:||9mm Luger (9x19mm Parabellum)|
Model Whisper with SA/DA regime has prolonged barrel with spire for silencer, which is offered with the gun with proper legislation as supplementary equipment. In standard combination is gun fitted with sport sights (micrometric sight and fibre optic sight). Company Grand Power s.r.o. received an exception from Ministry of Interior for forbidden items and Whisper is supplied only for military forces or based on licence from relevant Ministry.