Accurate data regarding propellant loading loads for the .308 bore chambering utilizing 168-grain Nosler SMK projectiles are critical for safe firing. Carefully consult multiple guides, such as the latest Hornady https://h4350-load-data-for-308-310537.wikifrontier.com/9139074/h4350_reloading_data_for_308_with_168gr_smk_bullets