Well, I finally got to test the GS Custom 120 HVs out of my .284 STAK (300 Dakota, necked down & improved, similar to Rolands 7mmRHB). At 100 yards my groups were consistent at 3/8" which was not quite as tight as the 140 or 160 Accubonds, BUT last night I shot the 120s at 613 yrds with my 3...