CCI Clean 22 LR Ammo 40 Grain High Velocity Pink "CLEAN-22" 400 Rounds Keep your rimfire running cleaner and help fight breast cancer with new CCI® Clean-22Ö Pink. A portion of the proceeds from every box sold goes directly to the effort to find a cure. Like other Clean-22 loads, its exclusive polymer bullet coating greatly reduces copper and lead fouling in the barrel-without leaving a residue. It also cuts lead buildup in suppressors 60 to 80 percent and comes in a 400-round bulk bottle that's perfect for long days at the range.