Nosler Trophy Grade ammunition is loaded with the Nosler Partition bullet the benchmark for hunting bullets since 1948 and the cornerstone upon which the entire company was founded. The bullet's dual-core design assures rapid expansion of the foremost core while Nosler's integral partition supports the expanded mushroom allowing the enclosed rear core to remain intact retaining more than two-thirds the original bullet weight for deep penetration. Tried and true, Nosler's Trophy Grade ammunition provides undeniable reliability on all game. Mfg: Nosler, Inc.