Nosler Varmageddon 20 Caliber 32 Grain Tipped Flat Base Reloading Bullets, 250 Per Box Md: 32851 Varmageddon bullets are made with a lead-alloy core and feature a copper-alloy jacket designed to withstand high velocities yet expand immediately upon impact. Varmageddon bullets are manufactured using a highly efficient process, providing legendary Nosler quality and accuracy at an economical price.