Hornady V-Max bullets consistently achieve rapid fragmentation at all practical varmint shooting velocities. The moly coating reduces barrel wear, residue in the barrel, and in some cases even enhances velocity.Hornady 17 Mach 2 NTX, and Varmint Express ammunition provide peerless performance from a bullet with an alternative core material that delivers accuracy, performance and Hornady quality for use in areas with restrictions on the use of lead. The NTX is a phenomenal choice when an alternative core bullet is required. Every varmint Express cartridge is hand inspected before leaving the factory, ensuring there are no cosmetic flaws or imperfections. All the cases are made in America and meet Hornady's stringent quality standards. Brand Hornady Category Rimfire Rounds Caliber 17 HM2 Model Varmint Express Bullet Weight 15.5 GR Rounds Per Box 50 Casing Material Brass Boxes Per Case 100 Bullet Type Non-Toxic Lead-Free Muzzle Energy 149 ft lbs Muzzle Velocity 2050 fps Product Information Caliber/Gauge 17 Mach 2 Casing Brass Bullet Type Hollow Point Box Qty 50