Achieving consistent grouping with your 308 caliber rifle often copyrights on careful reloading practices. Many shooters are finding excellent results using 168-grain SMK bullets paired with Hodgdon H4350 powder. https://owainjjjy817685.theblogfairy.com/39844497/308-reloading-168-grain-smk-with-powder-h4350-accurate-figures-charge-development