Caliburn DNA Darts – Soft Tip – 90% – D1 – Blue – 19g. This Caliburn DNA Soft Tip Dart features a 90% straight tungsten barrel, with a hexagonal milled cut along the rear of the barrel with a milled design along the front. The blue titanium coating enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights.Caliburn DNA Darts – Soft Tip – 90% – D1 – Blue – 21g. This Caliburn DNA Soft Tip Dart features a 90% straight tungsten barrel, with a hexagonal milled cut along the rear of the barrel with a milled design along the front. The blue titanium coating enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights.