 For this, the user then has to remove the knuckles, rotate the gun to point forward to the target and then shoot.Certain defense scenarios might not accord the liberty of time to do such an involved maneuver.A 9×19mm Parabellum revolver of similar design (but no official designation) was allegedly used by British Commandos during World War II, though exact statistics about production numbers and technical details have as yet remained undisclosed to the public.