Ruger Blackhawk, .45 Long Colt cal. single action revolver.   Serial #45-18812.  Excellent condition.  7 ½” barrel has excellent bore, ramp front sight and adjustable rear.  Barrel and 3-screw frame have 96% blue with slight muzzle wear and couple tiny spots of corrosion.   Cylinder has light flute and index wear.  Ruger smooth walnut grips re excellent.  Action not updated to transfer bar. Excellent, original Blackhawk!