Accurate data regarding propellant reloading formulas for the .308 bore chambering utilizing 168-grain Hornady SMK rounds are critical for safe handling. Carefully consult multiple manuals, such as your latest Speer https://what-is-the-difference-b004821.wikicorrespondence.com/7078085/h4350_reloading_data_for_308_with_168gr_smk_bullets