Accurate reloading data are crucial when working with the 308 7.62x51 cartridge and 168gr Sierra MatchKing projectiles . Always consult multiple manuals such as Hodgdon powder guides to confirm safe https://hamzahsbfm839717.howeweb.com/41860488/h3-reloading-specs-for-308-7-62x51-with-168gr-sierra-matchking-bullets