Brownells has packaged 500 Rounds of Fiocchi 5.7x28mm Ammo. Available with 2 Factory 10 Round Magazines or 2 Factory 20 Round Ruger Magazines to offer savings on both Items. This high-velocity, low-recoil, bottle-necked round has a history of personal defense carbine and semiautomatic pistol use. The Hyperformance offering leads the pack with a non-toxic, 40 grain tipped hollow point delivering top ballistic performance. Mfg: Brownells