If you are looking for that one cartridge that'll stop wild boar, Lapua's 8x57 IRS will get the job done. Originally created to develop a similar cartridge as the 8x57 IS for combination guns, the 8x57 IRS has a lower maximum pressure level set at 330 MPa. Over time, it's earned a reputation as a successful wild boar stopper in driven hunts. The Naturalis bullet ensure a consistent, controlled expansion.