Fiocchi Hyperformance Defense 5.7x28mm 35gr JF Handgun Ammo - 50 Rounds - The Hyperformance jacketed frangible cartridge hosts a 35-grain copper core and copper jacketed projectile. Featuring a polymer tip to ensure proper feeding through all 5.7x28mm chambered firearms, this lead-free cartridge delivers rapid expansion to prevent over-penetration. Whether fired from a handgun or a carbine, this cartridge offers consistent ballistic and terminal performance for defense, hunting, and range applications.