Norma Diamond Line 105gr. JHP Ammo. For ten years, this has been the dominant cartridge in international Match events. Superior ammunition for National Match Shooting, this load gives perfect muzzle velocity. The high BC gives low drift and maximum accuracy. It is the most frequently used round for major international championships, and uses a moly-coated boattail hollowpoint weighing 105 grains. This ammo is in new production, boxer primed, non-corrosive and reloadable brass cases. Mfg: Norma