Sierra has enhanced a segment of the MatchKing line by adding the acetal resin tip, thus crowning the Tipped MatchKing bullet line. The major advantage of adding a tip to the bullet is the reduction of drag, producing a more favorable ballistic coefficient. Weight 140 gr Quantity 50 Per Box Bullet Type Hollow Point Boat Tail Core Material Lead Bullet Caliber 270 Caliber Bullet Diameter .277 Jacket Material Copper Unit Of Measure box Sectional Density .261 Bullet Tip Material Polymer