Hey guys, i have a dpms .308 w/ a 18" hb that shoots 110g vmax at 50 yrds reloaded w/ win 748 47.4 g at .45 moa, im looking to go to 400+ yrds, my question is what load pref. should i go w/, i like the vmax but should i go w/ a 178g vmax moly that i have or 168 sierra hpbt? and what powder is recom. and load, i know there are a million loads and powders and every gun is different, just looking to get there so i can tweak it later, thanks