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. Specifications: Caliber: 308 Winchester Model: Game King Series: SBT Bullet Weight: 165 GR Rounds Per Box: 20 Casing Material: Brass Application: Hunting/Target Bullet Type: Spitzer Boat Tail