Varmint X is designed specifically for the demands of predator and varmint hunters. The sleek, polymer-tipped bullets are explosive upon impact. Varmint X combines the proven lethality Winchester is known for with today's latest technology, giving hunters their ammunition of choice for pursuing everything from prairie dogs to coyotes. Polymer Tip - Maximizes long range performance and promotes rapid expansion Alloy Jacket - Thin jacket with engineered sidewall profile for explosive fragmentation Lead Core - Designed for rapid fragmentation on small game