Achieving consistent accuracy with your 308 rifle often copyrights on carefully optimized ammunition. Many enthusiasts find excellent results using a Hornady 168-grain projectile paired with Powder H4350 , https://lillithfk010166.eveowiki.com/2553833/fine_tuning_308_caliber_loads_hornady_168_grain_with_powder_h4350_44_grains_of_powder