step her up to the 165's. thats the bullet most 06's really like. also, soime of that may be in the trigger. untill you do a little work they tenhd to have a little more creep and a fairly stiff TP. not all, but some. i assume you have a scope on it by the souds, check your bases and rings. also be sure of your rest, by that i mean dont rest your barrel on a sand bag or somethin of the sort. get up on the forearm in good shape and make sure its in the same spot every time if its tight grpoups from a bench that your after