Sierra GameKing Bullets 30 Caliber (308 Diameter) 150 Grain Spitzer Boat Tail (100pk)GameKing Bullets are designed for hunting at long range, where their extra margin of performance can make the critical difference. GameKing bullets feature a boat tail design to bring hunters the ballistic advantage normally found with match target bullets. This bullet is ideal for medium sized game at all velocity levels. Technical Information Caliber: 30 Bullet Diameter: . 308" Bullet Weight: 150 Grains Bullet Style: Spitzer Boat Tail Ballistics