this what i have on this rifle, JD Machine upper/ lower, Criterion 18.5" match barrel, Elftmann single stage ( set at 4.5 lbs), DPMS bcg and a Millet TRS-1. From this pix you can see Ive used different kinds of ammo, Lake City , GFL, FC and SSA. Is this the best i can expect from this rifle? Note this was shot at 100yds on sand bag rest. Another thing to note is my point of aim was on the "x" center of diamonds.