Sierra Gameking 6MM .243 Cal (.243) 100GR 100 PackIntroducing the Sierra GameKing 6mm . 243 Caliber (. 243) 100 gr. SBT Box 100. This reliable ammunition option is perfect for rifles, offering a 100 grain #1560 Spitzer Boat Tail bullet designed for medium game. Its heavy, double tapered jacket ensures ample penetration and reliable expansion upon impact. The #1560 bullet serves as the boat tail counterpart to the flatbase #1540 Pro Hunter bullet. Beyond 300 yards, this bullet excels in downrange