Game King Features Sierra Game King bullets have earned superlative accolades for years and years. Now HSM has developed an entire lineup of fine hunting ammunition featuring the time-honored Sierra GameKing/Pro-Hunter bullets. Each caliber s individual components have been precisely matched to each GameKing/Pro-Hunter bullet to maximize their potential for accuracy and performance. Game King Specifications Caliber: 243 Win Model: Game King Bullet Weight: 85 gr Rounds Per Box: 20 Casing Material: Brass Application: Hunting Bullet Type: Hollow Point Boat Tail (HPBT) Muzzle Energy: 1699 ft lbs Muzzle Velocity: 3000 fps