Winchester Supreme ammunition is loaded with the highest quality components available to ensure superior performance. This fast and accurate ammunition features Hornady's V-Max bullet and is ideal for varmint hunting or pest control. Hornady's V-Max Bullets feature a polymer tip which enhances accuracy and promotes devastating expansion. The tip raises the ballistic coefficient for faster velocity and also acts as a wedge, initiating bullet expansion. The flat base creates in-flight stability for long-range shooting. Technical Information Caliber: 17 HMR Bullet Weight: 17 Grains Bullet Style: Hornady V-Max Ballistics Information: Muzzle Velocity: 2550 fps Muzzle Energy: 245 ft. lbs.