Nosler Partition 22 Caliber (224 Diameter) 60 Grain Spitzer (50pk)Is it as good as a Partition?: This is a question bullet manufacturers have asked themselves for over 65 years. The Nosler Partition is still the benchmark by which all modern bullets are measured. So, the next time you reach for a box of bullets, ask yourself, "Is it as good as a Partition?" Nosler Engineering: Nosler's special lead alloy, dual core provides superior mushrooming characteristics at virtually all impact velocities. Fully Tapered Copper