Hornady .17 Mach 2 Varmint Express V-MAX 17-Grain Ammunition This .17 Mach 2 ammunition features the Hornady V-MAX projectile for improved wound ballistics and optimal terminal performance. The cartridges utilize a 17-grain bullet capable of traveling at 2100 fps, giving them 166 ft/lbs of energy at the muzzle. This ammunition is perfect for varmint hunting. When you need dependable ammunition that you can count on, you can trust in Hornady. Hornady Varmint Express rimfire ammunition is designed specifically to help you hunt prairie dogs, coyote's and foxes. The Hornady rimfire line provides you with high-speed rimfire cartridges delivering exceptional energy with precision-matched projectiles. Like with other Hornady loads, you should expect exceptional accuracy along with exceptional terminal performance. Trust Hornady Varmint Express ammo to help you get the job done. Hornady .17 Mach 2 Ammo Features and Specifications: Manufacturer Number: 83177 .17 Hornady Mach 2 (HM2) 17-Grain Hornady V-MAX Polymer-Tip Projectile Brass Cased Non-Corrosive Muzzle Velocity: 2100 fps Muzzle Energy: 166 ft/lbs Uses: Hunting Varmint Note: This cartridge is based on the .22 Long Rifle necked down to .17. This cartridge is NOT interchangeable with .17 Hornady Magnum Rimfire (HMR).