Load up with the legendary Super-X ammunition from Winchester?, ammunition made with the same skill, care and quality as when first introduced in 1922. Today Super-X is made using precise manufacturing processes and the highest quality components to provide consistent, dependable performance that generations of shooters continue to rely upon. The Super-X Subsonic .22 caliber LR round features a 40 grain hollow point round that delivers big expansion upon impact. This special design combines a reduced velocity for low noise with a heavy bullet for better penetration. Combined with the truncated-cone, hollow point lead bullet, this round provides consistent hunting accuracy and single shot stopping power. Highly accurate round produces a muzzle velocity of 1065 fps. 50 rounds in convenient plastic tray. Features: Super-X - Consistent, dependable performance Reduced velocity for quiet shot 40-grain, truncated cone hollow point - big expansion Heavy bullet for better penetration 1065 fps muzzle velocity 50 rounds HP= Hollow Point