Achieving consistent accuracy with your 308 rifle often copyrights on carefully optimized ammunition. Many shooters find excellent results using a SMK 168-grain projectile paired with H4350 , particularly at https://elaineguhv812714.wikibestproducts.com/2550031/perfecting_308_caliber_ammunition_smk_168_grain_with_powder_h4350_44_grains_of_powder