I have a Tika Varmint 308 with a 16" barrel. The load / head i am using at the moment is 150gr Hornady SST / 46g Vit N140 Powder, 2.650fps. It shoots a nice tight group with this load but falls of the cliff at 200yrds, is their faster burning powders out their? or can anybody point me in the right direction where to go regarding gaining more velocity?
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