REVOLVER: RUGER MODEL NEW MODEL BLACKHAWK, SERIAL NUMBER 3889729, 6.5, 357 MAGNUM, DOUBLE ACTION Notes: AI Mode Conversation: ruger blackhawk 357 ruger blackhawk 357 The Ruger New Model Blackhawk in .357 Magnum is one of the most respected, robust, and reliable single-action revolvers ever produced. Introduced originally in 1955, Bill Ruger designed the Blackhawk to capture the popular western aesthetic of the Colt Single Action Army while vastly improving the internal engineering with unbreakable coil springs and a heavily reinforced steel frame. Great condition comes with extra 9mm cylinder.