RE: Question on improving my factory rifle
I also wouldn't like 1.5-2.5" groups, though how you personally shoot can determine much of your groups.
I'd try 150gr, or 165, in a number of different factory loads....
IMO the '06 uses 150 or 180's, less it just happens to love 165grs
My .270 shots sub-moa at 100yds bench, Browning BAR. 130gr, not bad for factory ammo. It loves the 130grs, so that's what I give it.