The spear shaft is the only part of the speargun that will come in contact with the prey. It should be able to transfer the kinetic energy of the rubber bands onto the target. What is required is accuracy and penetration. Such an important task will be assigned to Sigal Sub’s HRC series. Double barbed Tahitian shaft at diameters of 7mm and 7.5mm and lengths of 1.20m, 1.30m, 1.40m.
Heat treated Sandvik steel at hardness 48/50Hrc. Sharkfins welded with Laser Welding method which avoids excessive temperatures in the areas where it is applied. The ideal spear shaft for deep or shallow ambush technique.