Accurate data regarding H4350 loading formulas for the .308 round cartridge utilizing 168-grain Nosler SMK bullets are critical for safe shooting. Consistently reference multiple manuals, such as a latest Hornady https://ish4350powdertemperature210448.wikiconversation.com/8255042/h4350_reloading_data_for_308_with_168gr_smk_bullets