After I installed that bubble level thing on my 308 and 6.5x284 I reset the scopes and needed a re-zero (the better part of the exercise). A trip up to WV to shoot and here's the result(s). tada G-A Precision M40A1 type 308. Fed GMM 168's, Leupold 3.5 x 10 M1 LR, Harris bipod and sand sock rear rest. Confirmation three (3) shot group. Fouling/bore sight and three (3) shot group. Tac-Ord 6.5x284, Rem 700, Nikon 2.5x10 Tactical, Harris, sand sock. 142 Sierra MK in unfired brass, three (3) shot group. 140 Game King in once fired brass, fouling/bore sight and three (3) shot group.