Meet the worlds most powerful 6.5 cartridge available on the market, and right here at Midsouth designed to take advantage of the inherently accurate and high B.C. 6.5mm (.264) caliber bullets, and is capable of shooting the Nosler® 129 grain, 140 grain, and 142 grain AccuBond® Long Range™ bullets Intended for medium game hunting. Remember to keep your brhass to reload later!