Shop › FIOCCHI DFN DYN 357MAG 158GR 50/1000 FIOCCHI DFN DYN 357MAG 158GR 50/1000 $56.95 Fiocchi Ammunition Defense Dynamics, 357 Magnum, 158 Grain, Jacketed Hollow Point, 50 Round Box 357B Add To Cart Added! Fiocchi Ammunition Defense Dynamics, 357 Magnum, 158 Grain, Jacketed Hollow Point, 50 Round Box 357B