Accurate figures regarding H4350 loading loads for the .308 caliber chambering utilizing 168-grain Nosler SMK projectiles are vital for secure firing. Always reference multiple guides, such as your latest Hornady https://is-h4350-powder-temperat551299.wikiexcerpt.com/4635409/h4350_reloading_data_for_308_with_168gr_smk_bullets