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. So precisely matched that you may think HSM Game Kings are handloads rather than coming out of a factory box. MFR #: 300641N