Federal Premium Personal Defense Punch 22 WMR (22 Mag) 45gr JHP Rimfire Ammo - 50 Rounds - Different shooters have different needs, limitations and firearms. Yet for all of those variables, rimfire has never been a practical option for self-defense-until now. Introducing Punch Personal Defense rimfire from Federal Premium. The loads' nickel-plated lead-core bullet is propelled at extreme velocities and engineered to minimize expansion to hit critical penetration depths through short-barrel handguns. Stringent function testing also ensures the most reliable ignition, cycling and overall performance. So, whether you want to carry a backup gun, don't feel comfortable with centerfires, or simply want to get more versatility from your rimfire pistol, Punch makes these cartridges viable choices for the first time ever. Nickel-plated lead-core bullet Projectile profile and composition optimized for the deepest penetration through short-barrel handguns Rigorous function testing ensures reliability Nickel-plated case for ease of extraction and corrosion resistance 50-count boxes Maximum velocity for energy and penetration: 22 WMR offers 1,000 fps muzzle velocity through 2-inch barrel, 1,800 fps through rifle barrels