Specifically engineered to provide phenomenal accuracy, penetration and high weight retention, the MonoFlex ML is a nontraditional/alternative metal construction bullet option that is a fantastic choice for ALL hunters. At the heart of the MonoFlex ML is the .452 diameter MonoFlex bullet a monolithic solid projectile made from a copper alloy and topped with the patented Hornady exclusive Flex Tip design that works as a catalyst for uniform expansion, even at the low velocities of longer range impacts.