The CCI Subsonic leaves the muzzle sub-sonic, so it is quieter than supersonic loads. A special 40 grain bullet with a large cavity for subsonic expansion makes this a great load.
Special 40 grain lead hollow point nose at 1050 ft/sec
Trajectory matches most target loads to 50 yards
Large HP cavity for reliable expansion at sub-sonic velocity
Quieter than high-speed 22 LR hollow point loads
Clean-burning propellants keep actions cleaner
Sure-fire CCI priming