The swaging equipment provides is identical to that used by Olympic champions, International Shooting champions, defence and security forces world wide, the military R&D labs... in other words, this is the most precise way known to make good bullets. It is capable of vastly superior bullets to mass produced slugs, because every single one is hand made , and you can inspect and adjust every component that goes into the bullet, matching the length, weight and diameter precisely to get the best results from your particular gun.