Sierra has announced their gamechanger loaded ammunition, topped with the polymer-tipped boattail gamechanger bullet, essentially a tipped gameking.The brass casings have the sierra headstamp.Gamechanger is an excellent choice for an all-around performer in the field.Caliber: 308 WinBullet Type: Tipped GameKingBullet Weight: 165 grRounds Per Box: 20Boxes Per Case: 10Application: Medium-Large GameCasing Material: BrassHazair: Yes