Caliburn Marshal Darts – Soft Tip – 90% – M1 – Black Titanium – 20g. This Caliburn Marshal Soft Tip Dart features a 90% straight tungsten barrel, with a knurl grip towards the bottom of the dart, with a ringed section at the rear. The black coating along the barrel enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights.Caliburn Marshal Darts – Soft Tip – 90% – M1 – Black Titanium – 22g. This Caliburn Marshal Soft Tip Dart features a 90% straight tungsten barrel, with a knurl grip towards the bottom of the dart, with a ringed section at the rear. The black coating along the barrel enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights.