Stoeger X-Power .22 / 5.5mm 200 Per Tin Pellets MAX PENETRATION Heavy, exceptionally accurate pellet for long ranges. No lead-fouling, improved drive in barrel, no contact with lead thanks to special copper coating (20% harder than comparable lead pellets). First-class aerodynamic design for high impact and penetration. Low deformation of pellet. Tight shot groups. Cal. 4,5mm /.177 and 5,5mm / .22.