Once fired Federal Gold Metal Match reloading brass. The 168 grain Berger/Gold metal match combo shot within 0.5 MOA from factory at 100 yards in my Savage 308. This Brass has been washed and selected by weight  The brass weights are as follows: 176 grains - 74 brass 177 grains - 80 brass  178 grains - 37 brass 179 grans - 61 brass Toal of 358 Brass.