Sierra Gamechanger Tipped GameKing Bullets 264 Caliber, 6.5mm (264 Diameter) 130 Grain Polymer Tip Boat Tail (100pk)Sierra MatchKing rifle bullets are super accurate bullets with very thin jackets and are held to exacting tolerances in diameter and weight. Their accuracy has been acclaimed worldwide and they have been used to win more target competitions than all target bullets from other manufacturers combined. Weight retention is held to within + 0. 3 grain. Sierra has enhanced a segment of the MatchKing line by adding the acetal resin tip, thus crowning the