Mission Kronos Steel Tip Tungsten Darts 95% Tungsten. Features: 95% Tungsten Barrels, 1 Sets of Mission Flights, 1 Set of Mission Shafts with S-Lock rings, Point Protector. The Mission Kronos consists of a straight barrel and radius nose. Across the length of the barrel radial grooving is contrasted by the striking ocean blue titanium nitride PVD coating located within the parallel milled cuts and Iso-Grip. The dart is completed by the inclusion of the Mission logo, laser etched into the rear of the barrel.